TAMA, IA · Tama County
POWESHIEK WATER ASSOCIATION Water System
Consumer Confidence Report status
POWESHIEK WATER ASSOCIATION 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 POWESHIEK WATER ASSOCIATION.
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)
- IA8670701
- System type
- Community Water System
- Population served
- 13,920
- Service connections
- 5,568
- Ownership
- privately owned
- Water source
- groundwater (wells)
POWESHIEK WATER ASSOCIATION is one of 50 community water systems in Iowa in the 10,001 to 100,000 people size category, serving 13,920 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1991, all of which EPA lists as closed. Nothing has been added since 1991.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
September 1, 1991 – September 30, 1991
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 1991 – September 30, 1991 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 10, 1995State Compliance achieved2 linked violations
- October 10, 1995State Compliance achieved2 linked violations
- April 7, 1992State Administrative/Compliance Order without penalty issued2 linked violations
- April 7, 1992State Administrative/Compliance Order without penalty issued2 linked violations
- April 7, 1992State Administrative/Compliance Order without penalty issued2 linked violations
- April 7, 1992State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
- February 20, 1992State Public Notification requested2 linked violations
- February 20, 1992State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- February 20, 1992State Formal Notice of Violation issued1 linked violation
- February 20, 1992State Public Notification requested2 linked violations
- February 20, 1992State Public Notification requested1 linked violation
- February 20, 1992State Public Notification requested2 linked violations
- February 20, 1992State Formal Notice of Violation issued1 linked violation
- February 20, 1992State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- May 16, 1990State Compliance achieved1 linked violation
- March 19, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- March 19, 1990State Compliance achieved33 linked violations
- March 12, 1990State Formal Notice of Violation issued1 linked violation
- March 12, 1990State Public Notification requested1 linked violation
- March 6, 1990State Compliance achieved1 linked violation
- February 22, 1990State Public Notification requested2 linked violations
- February 6, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- July 1, 1989State Compliance achieved2 linked violations
Common questions
Is POWESHIEK WATER ASSOCIATION required to publish a Consumer Confidence Report?
- Yes. POWESHIEK WATER ASSOCIATION 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 POWESHIEK WATER ASSOCIATION’s next Consumer Confidence Report due?
- POWESHIEK WATER ASSOCIATION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does POWESHIEK WATER ASSOCIATION have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for POWESHIEK WATER ASSOCIATION.
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
POWESHIEK WATER ASSOC
641-891-7124
TAMA, IA 52339