KNOXVILLE, IA · Polk County
HILLOCK ESTATES Water System
Consumer Confidence Report status
HILLOCK ESTATES 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 1 item for HILLOCK ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- IA7727608
- System type
- Community Water System
- Population served
- 228
- Service connections
- 91
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
HILLOCK ESTATES is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 228 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2025, of which 1 remains open; none are health-based.
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 the Lead and Copper Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
October 20, 2025
Unaddressed
Unaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 20, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
Unaddressed no corrective action on record yet
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is HILLOCK ESTATES required to publish a Consumer Confidence Report?
- Yes. HILLOCK ESTATES 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 HILLOCK ESTATES’s next Consumer Confidence Report due?
- HILLOCK ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HILLOCK ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for HILLOCK ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
HILLOCK ESTATES
641-891-2051
KNOXVILLE, IA 50138