OSCEOLA, IA · Clarke County

OSCEOLA WATER WORKS 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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID): IA2038038
System type: Community Water System
Population served: 5,503
Service connections: 2,288
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Long Term 2 Enhanced Surface Water Treatment Rule
February 1, 2024 – February 29, 2024
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2018 – March 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 1997 – March 31, 1997
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1991 – September 30, 1991
Resolved
Monitoring, Regular
—
LASSO
April 1, 1991 – June 30, 1991
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1991 – March 31, 1991
Resolved

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
February 1, 2024 – February 29, 2024	Monitoring of Treatment (SWTR-Filter)	Long Term 2 Enhanced Surface Water Treatment Rule	—	Archived
August 1, 2020 – August 31, 2020	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
March 1, 2018 – March 31, 2018	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 1997 – March 31, 1997	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 1991 – September 30, 1991	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1991 – June 30, 1991	Monitoring, Regular	LASSO	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	Carbon tetrachloride	—	Resolved

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

Enforcement actions

November 1, 2024State Compliance achieved2 linked violations
November 1, 2024State Public Notification received2 linked violations
November 1, 2024State Compliance achieved2 linked violations
October 11, 2024State Public Notification requested2 linked violations
March 1, 2024State Public Notification requested2 linked violations
July 14, 2022State Formal Notice of Violation issued2 linked violations
November 1, 2020State Compliance achieved2 linked violations
October 23, 2020State Public Notification received2 linked violations
October 21, 2020State Formal Notice of Violation issued2 linked violations
September 4, 2020State Public Notification received3 linked violations
March 1, 2019State Compliance achieved3 linked violations
March 1, 2019State Compliance achieved3 linked violations
April 5, 2018State Public Notification received8 linked violations
March 22, 2018State Public Notification requested3 linked violations
March 22, 2018State Formal Notice of Violation issued3 linked violations
May 25, 2007State Public Notification received1 linked violation
January 9, 2007State Compliance achieved2 linked violations
August 23, 2005State Formal Notice of Violation issued25 linked violations
January 22, 1998State Compliance achieved1 linked violation
January 22, 1998State Compliance achieved3 linked violations
December 15, 1997State Public Notification received1 linked violation
October 20, 1997State Formal Notice of Violation issued1 linked violation
October 20, 1997State Public Notification requested1 linked violation
November 14, 1996State Public Notification received28 linked violations
October 28, 1996State Formal Notice of Violation issued11 linked violations
June 5, 1996State Compliance achieved2 linked violations
June 5, 1996State Compliance achieved3 linked violations
June 5, 1996State Compliance achieved1 linked violation
June 5, 1996State Compliance achieved1 linked violation
June 5, 1996State Compliance achieved1 linked violation
September 30, 1994State Public Notification requested2 linked violations
September 30, 1994State Formal Notice of Violation issued2 linked violations
September 30, 1994State Formal Notice of Violation issued1 linked violation
September 8, 1994State Public Notification requested4 linked violations
February 18, 1994State Formal Notice of Violation issued2 linked violations
October 15, 1993State Formal Notice of Violation issued6 linked violations
May 14, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 14, 1993State Public Notification requested3 linked violations
November 18, 1991State Compliance achieved5 linked violations
November 18, 1991State Compliance achieved3 linked violations
October 21, 1991State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
October 21, 1991State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
October 21, 1991State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
October 21, 1991State Bilateral Compliance Agreement signed2 linked violations
October 21, 1991State Bilateral Compliance Agreement signed1 linked violation
August 5, 1991State Compliance achieved1 linked violation
October 9, 1990State Public Notification received2 linked violations
August 6, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 23, 1990State Compliance achieved1 linked violation
September 5, 1989State Compliance achieved1 linked violation
August 25, 1989State Formal Notice of Violation issued1 linked violation
August 25, 1989State Public Notification requested1 linked violation
August 25, 1989State Formal Notice of Violation issued4 linked violations
September 15, 1987State Compliance achieved2 linked violations

Contact

OSCEOLA WATER WORKS

641-342-1435

OSCEOLA, IA 50213