CHIPPEWA RANCH Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 18, 2025. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in 05.

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 EPA Region 5’s official records. Always confirm current status with EPA Region 5 before making decisions based on this information.

System facts

System ID (PWSID): 055294708
System type: Community Water System
Population served: 25
Service connections: 6
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2024 – October 31, 2024
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
June 17, 2024 – December 18, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2018 – December 31, 2018
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2018 – July 9, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Simazine
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Picloram
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
LASSO
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Toluene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Styrene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Barium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Chromium
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Selenium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2016
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2008 – December 31, 2016
Resolved
Monitoring, Regular
—
Mercury
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Nickel
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1991 – June 30, 1991
Archived

Resolved 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
October 1, 2024 – October 31, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 17, 2024 – December 18, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Archived
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2018 – July 9, 2018	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 1, 2017 – December 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Simazine	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Picloram	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	LASSO	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Benzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Toluene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Styrene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Barium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Chromium	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Asbestos	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Asbestos	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Selenium	—	Resolved
January 1, 2008 – December 31, 2016	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – December 31, 2016	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Mercury	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Nickel	—	Resolved
June 1, 1991 – June 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

Phone not on record