MARSHALLTOWN, IA · Pottawattamie County
CRESCENT WATER SUPPLY Water System
Consumer Confidence Report status
CRESCENT WATER SUPPLY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CRESCENT WATER SUPPLY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
CRESCENT WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 778 people from surface water.
As of August 1, 2026, its federal record holds 5 entries between 1981 and 2024, all of which EPA lists as closed.
Of the 5, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, inorganic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2024 – January 31, 2024
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2010 – August 31, 2010
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2009 – July 31, 2009
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
October 1, 1984 – September 30, 1985
ArchivedMaximum Contaminant Level Violation, Average
Health-basedFluoride
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, 2024 – January 31, 2024 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | 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, 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
- May 5, 2025State Public Notification received2 linked violations
- June 7, 2024State Public Notification requested2 linked violations
- June 7, 2024State Formal Notice of Violation issued2 linked violations
- September 21, 2015State Compliance achieved1 linked violation
- 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 Public Notification requested5 linked violations
- April 30, 2015State Public Notification requested2 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 Formal Notice of Violation issued6 linked violations
- July 20, 2009State Public Notification requested6 linked violations
- July 16, 2009State Violation/Reminder Notice11 linked violations
- June 9, 2004State Compliance achieved6 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 Formal Notice of Violation issued1 linked violation
- October 1, 1986State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
- 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
Common questions
Is CRESCENT WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. CRESCENT WATER SUPPLY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CRESCENT WATER SUPPLY’s next Consumer Confidence Report due?
- CRESCENT WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CRESCENT WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CRESCENT WATER SUPPLY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CRESCENT WATER SUPPLY
402-344-4800
MARSHALLTOWN, IA 50158