DAWSON, IL · Sangamon County

DAWSON Water System

Current status

No open violations on record as of July 4, 2026.

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

System facts

System ID (PWSID): IL1670400
System type: Community Water System
Population served: 2,375
Service connections: 820
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Chlordane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Aldicarb
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Atrazine
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
LASSO
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Heptachlor
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
2,4-D
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Endrin
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Toxaphene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Dalapon
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Diquat
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Endothall
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
OXAMYL
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Simazine
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Picloram
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Dinoseb
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Aldicarb sulfone
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Carbofuran
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2024 – September 30, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – August 7, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – December 31, 2023
Resolved
Initial, Follow-up, or Routine Source Water M/R
—
Lead and Copper Rule
July 1, 2021 – January 24, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2020 – February 4, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – September 3, 2019
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2017 – January 17, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2014 – May 16, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 30, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – July 26, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2008 – May 7, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 30, 2025	Monitoring, Regular	Chlordane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Aldicarb	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Atrazine	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	LASSO	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Heptachlor	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	2,4-D	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Endrin	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Toxaphene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Dalapon	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Diquat	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Endothall	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	OXAMYL	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Simazine	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Picloram	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Dinoseb	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Aldicarb sulfone	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Carbofuran	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2023 – August 7, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2021 – January 24, 2022	Initial, Follow-up, or Routine Source Water M/R	Lead and Copper Rule	—	Resolved
December 30, 2020 – February 4, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2019 – September 3, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2017 – January 17, 2017	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2014 – May 16, 2014	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2010 – July 26, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2008 – May 7, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

No enforcement actions on record for this system.

Contact

PRYTHERCH, JO (JODY)

217-364-5975

DAWSON, IL 62520