WASHINGTON, IA · Henry County
HILLSBORO WATER WORKS Water System
Consumer Confidence Report status
HILLSBORO WATER WORKS 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 HILLSBORO WATER WORKS.
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)
- IA4425032
- System type
- Community Water System
- Population served
- 163
- Service connections
- 130
- Ownership
- local government
- Water source
- groundwater (wells)
HILLSBORO WATER WORKS is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 163 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 1993 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
Of the 3, 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 Lead and Copper Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
March 1, 2018 – September 1, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1993 – August 31, 1993
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1993 – July 31, 1993
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 |
|---|---|---|---|---|
| March 1, 2018 – September 1, 2018 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| August 1, 1993 – August 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| July 1, 1993 – July 31, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | 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
- August 29, 2022State Compliance achieved1 linked violation
- August 29, 2022State Compliance achieved1 linked violation
- July 30, 2021State Public Notification received1 linked violation
- July 30, 2021State Public Notification received1 linked violation
- January 11, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- December 1, 2020State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- October 26, 2020State Public Notification requested1 linked violation
- October 26, 2020State Formal Notice of Violation issued1 linked violation
- October 26, 2020State Public Notification requested1 linked violation
- October 26, 2020State Formal Notice of Violation issued1 linked violation
- July 3, 2019State Public Notification received1 linked violation
- July 3, 2019State Public Notification received1 linked violation
- November 27, 2018State Compliance achieved1 linked violation
- October 16, 2018State Formal Notice of Violation issued1 linked violation
- October 16, 2018State Public Notification requested1 linked violation
- September 1, 2018State Compliance achieved1 linked violation
- April 3, 2018State Formal Notice of Violation issued1 linked violation
- March 27, 2018State Public Notification received1 linked violation
- December 15, 2017State Formal Notice of Violation issued1 linked violation
- December 15, 2017State Public Notification requested1 linked violation
- December 12, 2017State Compliance achieved1 linked violation
- October 24, 2007State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 24, 2007State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- October 24, 2007State Formal Notice of Violation issued2 linked violations
- September 1, 1992State Compliance achieved2 linked violations
- December 6, 1991State Formal Notice of Violation issued1 linked violation
- December 6, 1991State Public Notification requested2 linked violations
- December 6, 1991State Formal Notice of Violation issued2 linked violations
Common questions
Is HILLSBORO WATER WORKS required to publish a Consumer Confidence Report?
- Yes. HILLSBORO WATER WORKS 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 HILLSBORO WATER WORKS’s next Consumer Confidence Report due?
- HILLSBORO WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HILLSBORO WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for HILLSBORO WATER WORKS.
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
HILLSBORO WATER WORKS
319-653-1531
WASHINGTON, IA 52353