ALTON, MO · Oregon County

OREGON COUNTY PWSD 1 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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID): MO4024432
System type: Community Water System
Population served: 900
Service connections: 320
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2024 – December 31, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2020 – November 9, 2020
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
Xylenes, Total
January 1, 2020 – December 31, 2022
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
July 30, 2015 – October 2, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2015 – July 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2015 – April 30, 2015
Resolved

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
January 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2020 – November 9, 2020	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Archived
January 1, 2020 – December 31, 2022	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 30, 2015 – October 2, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2015 – July 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2015 – April 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

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

Enforcement actions

October 16, 2025State Violation/Reminder Notice1 linked violation
October 16, 2025State Public Notification requested1 linked violation
July 1, 2025State Compliance achieved2 linked violations
May 5, 2025State Public Notification received2 linked violations
December 19, 2024State Public Notification requested2 linked violations
December 19, 2024State Violation/Reminder Notice2 linked violations
December 19, 2024State Compliance achieved1 linked violation
November 9, 2020State Compliance achieved1 linked violation
November 9, 2015State Public Notification received1 linked violation
October 6, 2015State Compliance achieved2 linked violations
October 2, 2015State Compliance achieved1 linked violation
August 13, 2015State Public Notification received1 linked violation
July 20, 2015State Violation/Reminder Notice3 linked violations
July 17, 2015State Public Notification requested1 linked violation
July 17, 2015State Formal Notice of Violation issued1 linked violation
July 6, 2015State Compliance achieved1 linked violation
June 19, 2015State Formal Notice of Violation issued1 linked violation
June 19, 2015State Public Notification requested1 linked violation
May 18, 2015State Public Notification received1 linked violation
April 21, 2015State Formal Notice of Violation issued1 linked violation
April 21, 2015State Public Notification requested1 linked violation
January 22, 2014State Compliance achieved1 linked violation

Contact

WEYLAND, DAVID

417-270-0976

ALTON, MO 65606-0000