NORTHBROOK, CO · Pitkin County

ROARING FORK MHP Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID): CO0149685
System type: Community Water System
Population served: 200
Service connections: 51
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2026
Unaddressed
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2024 – February 6, 2026
Resolved
Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
August 1, 2024 – November 29, 2024
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – June 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – October 16, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2023 – October 16, 2023
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Fluoride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Arsenic
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Barium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Cadmium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chromium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Mercury
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Nickel
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Thallium, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Selenium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Arsenic
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Barium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Cadmium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chromium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Mercury
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Nickel
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Antimony, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Beryllium, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Selenium
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Picloram
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Diquat
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Endothall
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Picloram
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
LASSO
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chlordane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
Toluene
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
Styrene
January 1, 2023 – December 31, 2025
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2023 – December 31, 2025
Archived
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2022 – January 5, 2022
Resolved
Treatment Technique No Certif. Operator
Health-based
Stage 1 Disinfectants and Disinfection Byproducts Rule
August 1, 2020 – September 7, 2020
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Diquat
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Endothall
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Simazine
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Atrazine
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
LASSO
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Chlordane
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Diquat
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Endothall
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Atrazine
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
LASSO
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Chlordane
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2019 – November 6, 2019
Resolved
Monitoring, Regular
—
Selenium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Mercury
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
January 1, 2016 – January 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2013 – June 30, 2013
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2024 – February 6, 2026	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
August 1, 2024 – November 29, 2024	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2023 – June 30, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2023 – October 16, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2023 – October 16, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Fluoride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Fluoride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Barium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Cadmium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chromium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Mercury	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Nickel	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Thallium, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Selenium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Barium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Cadmium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chromium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Mercury	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Nickel	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Antimony, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Beryllium, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Selenium	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Picloram	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Diquat	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Endothall	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Picloram	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	LASSO	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chlordane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toluene	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	Styrene	—	Resolved
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2022 – January 5, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
August 1, 2020 – September 7, 2020	Treatment Technique No Certif. Operator	Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-based	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endrin	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dalapon	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Diquat	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endothall	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Simazine	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Picloram	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Atrazine	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	LASSO	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4-D	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Chlordane	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endrin	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dalapon	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Diquat	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endothall	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Picloram	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Atrazine	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	LASSO	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Chlordane	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2019 – November 6, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Selenium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Mercury	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2016 – January 31, 2016	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

February 6, 2026State Compliance achieved1 linked violation
February 6, 2026State Compliance achieved21 linked violations
January 30, 2026State Violation/Reminder Notice1 linked violation
January 30, 2026State Compliance achieved1 linked violation
January 30, 2026State Public Notification requested1 linked violation
January 30, 2026State Public Notification requested1 linked violation
January 30, 2026State Violation/Reminder Notice1 linked violation
January 29, 2026State Public Notification requested1 linked violation
January 29, 2026State Public Notification requested1 linked violation
January 29, 2026State Violation/Reminder Notice1 linked violation
January 29, 2026State Compliance achieved1 linked violation
January 29, 2026State Violation/Reminder Notice1 linked violation
January 28, 2026State Violation/Reminder Notice10 linked violations
January 28, 2026State Public Notification requested21 linked violations
January 28, 2026State Violation/Reminder Notice21 linked violations
January 28, 2026State Public Notification requested21 linked violations
January 28, 2026State Violation/Reminder Notice21 linked violations
January 28, 2026State Public Notification requested31 linked violations
January 28, 2026State Violation/Reminder Notice31 linked violations
January 28, 2026State Public Notification requested32 linked violations
January 28, 2026State Violation/Reminder Notice31 linked violations
January 28, 2026State Public Notification requested11 linked violations
January 28, 2026State Public Notification requested11 linked violations
January 22, 2026State Violation/Reminder Notice2 linked violations
January 22, 2026State Public Notification requested1 linked violation
January 22, 2026State Violation/Reminder Notice1 linked violation
January 15, 2026State Violation/Reminder Notice2 linked violations
February 6, 2025State Public Notification requested1 linked violation
February 6, 2025State Compliance achieved3 linked violations
February 6, 2025State Public Notification requested1 linked violation
February 6, 2025State Violation/Reminder Notice1 linked violation
November 29, 2024State Compliance achieved7 linked violations
August 1, 2024State Violation/Reminder Notice2 linked violations
June 28, 2024State Public Notification received5 linked violations
January 19, 2024State Violation/Reminder Notice3 linked violations
January 19, 2024State Compliance achieved3 linked violations
October 17, 2023State Violation/Reminder Notice3 linked violations
October 16, 2023State Compliance achieved3 linked violations
July 11, 2023State Violation/Reminder Notice2 linked violations
February 6, 2023State Public Notification requested24 linked violations
February 6, 2023State Public Notification requested22 linked violations
February 6, 2023State Violation/Reminder Notice23 linked violations
February 6, 2023State Violation/Reminder Notice32 linked violations
February 6, 2023State Public Notification requested32 linked violations
February 6, 2023State Public Notification requested3 linked violations
February 6, 2023State Public Notification requested3 linked violations
January 5, 2022State Compliance achieved2 linked violations
September 7, 2020State Compliance achieved3 linked violations
August 26, 2020State Public Notification received3 linked violations
August 7, 2020State Violation/Reminder Notice3 linked violations
March 25, 2020State Compliance achieved21 linked violations
February 5, 2020State Violation/Reminder Notice12 linked violations
February 5, 2020State Public Notification requested11 linked violations
February 5, 2020State Public Notification requested12 linked violations
November 6, 2019State Compliance achieved2 linked violations
October 31, 2018State Public Notification requested3 linked violations
October 31, 2018State Violation/Reminder Notice2 linked violations
May 4, 2016State Compliance achieved6 linked violations
May 4, 2016State Compliance achieved3 linked violations
April 7, 2016State Public Notification requested4 linked violations
March 29, 2016State Public Notification requested2 linked violations
March 15, 2016State Public Notification requested2 linked violations
March 2, 2016State Violation/Reminder Notice1 linked violation
March 2, 2016State Public Notification requested2 linked violations
February 2, 2016State Violation/Reminder Notice5 linked violations
July 11, 2013State Public Notification requested4 linked violations
November 3, 2008State Public Notification requested4 linked violations
February 28, 2002State Public Notification requested1 linked violation
February 28, 2002State Intentional no-action3 linked violations
March 6, 1995State Intentional no-action1 linked violation
March 6, 1995State Public Notification requested1 linked violation
November 22, 1994State Public Notification requested2 linked violations
November 22, 1994State Formal Notice of Violation issued1 linked violation
June 13, 1994State Compliance achieved1 linked violation

Contact

LOFMAN, MARC

312-543-4524

NORTHBROOK, IL 60065