MARSHALLTOWN, IA · Pottawattamie County

CRESCENT WATER SUPPLY 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): IA7822086
System type: Community Water System
Population served: 778
Service connections: 368
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
January 1, 2015 – January 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2010 – August 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2009 – July 31, 2009
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1984 – September 30, 1985
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1983 – September 30, 1984
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
October 1, 1981 – September 30, 1982
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
January 1, 2015 – January 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
August 1, 2010 – August 31, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2009 – July 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1984 – September 30, 1985	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1983 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1981 – September 30, 1982	Maximum Contaminant Level Violation, Average	Fluoride	Health-based	Archived

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

Enforcement actions

June 7, 2024State Public Notification requested2 linked violations
June 7, 2024State Formal Notice of Violation issued2 linked violations
April 30, 2024State Compliance achieved2 linked violations
April 30, 2024State Compliance achieved2 linked violations
September 21, 2015State Compliance achieved1 linked violation
August 26, 2015State Public Notification requested2 linked violations
August 26, 2015State Formal Notice of Violation issued2 linked violations
August 21, 2015State Violation/Reminder Notice1 linked violation
June 12, 2015State Public Notification received3 linked violations
April 30, 2015State Formal Notice of Violation issued2 linked violations
April 30, 2015State Public Notification requested2 linked violations
April 30, 2015State Public Notification requested3 linked violations
April 15, 2015State Compliance achieved4 linked violations
September 9, 2010State Public Notification received3 linked violations
January 12, 2010State Compliance achieved16 linked violations
July 20, 2009State Public Notification requested6 linked violations
July 20, 2009State Formal Notice of Violation issued6 linked violations
July 16, 2009State Violation/Reminder Notice11 linked violations
July 18, 2005State Public Notification received13 linked violations
April 27, 2004State Public Notification requested9 linked violations
May 5, 2002State Public Notification received1 linked violation
January 1, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 1, 1986State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
October 1, 1986State Public Notification requested3 linked violations
October 1, 1986State Administrative Penalty assessed1 linked violation
October 1, 1986State Administrative/Compliance Order without penalty issued13 linked violations
February 18, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

CRESCENT WATER SUPPLY

402-344-4800

MARSHALLTOWN, IA 50158