SHEFFIELD, IA · Franklin County
SHEFFIELD WATER SUPPLY Water System
Consumer Confidence Report status
SHEFFIELD 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 SHEFFIELD 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)
- IA3570037
- System type
- Community Water System
- Population served
- 1,130
- Service connections
- 506
- Ownership
- local government
- Water source
- groundwater (wells)
SHEFFIELD WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 1,130 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2009 and 2014, all of which EPA lists as closed. Nothing has been added since 2014.
Of the 2, 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 and the Miscellaneous Other Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2014 – July 31, 2014
ResolvedVariance/Exemption/Other Compliance
—No contaminant on record
October 27, 2009 – December 28, 2009
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2014 – July 31, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 27, 2009 – December 28, 2009 | Variance/Exemption/Other Compliance | — | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 7, 2016State Public Notification received3 linked violations
- August 4, 2014State Compliance achieved4 linked violations
- October 29, 2007State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 29, 2007State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- October 29, 2007State Formal Notice of Violation issued1 linked violation
- December 29, 1999State Public Notification requested2 linked violations
- September 30, 1997State Compliance achieved1 linked violation
- May 17, 1997State Public Notification requested1 linked violation
Common questions
Is SHEFFIELD WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. SHEFFIELD 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 SHEFFIELD WATER SUPPLY’s next Consumer Confidence Report due?
- SHEFFIELD WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SHEFFIELD WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SHEFFIELD 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
SHEFFIELD WATER SUPPLY
641-892-4718
SHEFFIELD, IA 50475