SIBLEY, IA · Osceola County
SIBLEY PUBLIC WATER SUPPLY Water System
Consumer Confidence Report status
SIBLEY PUBLIC 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 SIBLEY PUBLIC 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)
- IA7245047
- System type
- Community Water System
- Population served
- 2,860
- Service connections
- 1,364
- Ownership
- local government
- Water source
- groundwater (wells)
SIBLEY PUBLIC WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 2,860 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1988, all of which EPA lists as closed. Nothing has been added since 1988.
All 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 inorganic chemicals.
Violation history
Monitoring, Regular
—Nitrate
April 1, 1988 – March 31, 1991
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 1988 – March 31, 1991 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 28, 1994State Formal Notice of Violation issued6 linked violations
- May 8, 1991State Compliance achieved2 linked violations
- April 17, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- January 24, 1990State Formal Notice of Violation issued2 linked violations
- January 24, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- January 24, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- September 30, 1984Federal issued Formal Notice of Violation1 linked violation
- February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Common questions
Is SIBLEY PUBLIC WATER SUPPLY required to publish a Consumer Confidence Report?
- Yes. SIBLEY PUBLIC 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 SIBLEY PUBLIC WATER SUPPLY’s next Consumer Confidence Report due?
- SIBLEY PUBLIC WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SIBLEY PUBLIC WATER SUPPLY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SIBLEY PUBLIC 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
SIBLEY PUBLIC WATER SUPPLY
712-754-2541
SIBLEY, IA 51249