GILBERTVILLE, IA · Black Hawk County
GILBERTVILLE WATER WORKS Water System
Consumer Confidence Report status
GILBERTVILLE 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 1 item for GILBERTVILLE WATER WORKS 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)
- IA0733084
- System type
- Community Water System
- Population served
- 796
- Service connections
- 348
- Ownership
- local government
- Water source
- groundwater (wells)
GILBERTVILLE WATER WORKS is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 796 people from groundwater.
As of August 1, 2026, its federal record holds 10 entries between 1985 and 2018, of which 1 remains open; none are health-based.
All 10 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, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2018 – November 30, 2018
ResolvedMonitoring, Regular
—Nitrate
July 1, 1992 – September 30, 1992
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 1990 – December 31, 1993
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
April 1, 1988
UnaddressedMonitoring, Regular
—Mercury
October 1, 1985 – September 30, 1988
ResolvedMonitoring, Regular
—Barium
October 1, 1985 – September 30, 1988
ResolvedMonitoring, Regular
—Nitrate
October 1, 1985 – September 30, 1988
ResolvedMonitoring, Regular
—Barium
July 1, 1985 – June 30, 1988
ArchivedMonitoring, Regular
—Selenium
July 1, 1985 – June 30, 1988
ArchivedMonitoring, Regular
—Fluoride
July 1, 1985 – June 30, 1988
Archived
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 1, 2018 – November 30, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 1992 – September 30, 1992 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1990 – December 31, 1993 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 1988 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| October 1, 1985 – September 30, 1988 | Monitoring, Regular | Mercury | — | Resolved |
| October 1, 1985 – September 30, 1988 | Monitoring, Regular | Barium | — | Resolved |
| October 1, 1985 – September 30, 1988 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1985 – June 30, 1988 | Monitoring, Regular | Barium | — | Archived |
| July 1, 1985 – June 30, 1988 | Monitoring, Regular | Selenium | — | Archived |
| July 1, 1985 – June 30, 1988 | Monitoring, Regular | Fluoride | — | Archived |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 14, 2019State Public Notification received2 linked violations
- December 18, 2018State Public Notification requested1 linked violation
- December 18, 2018State Formal Notice of Violation issued1 linked violation
- December 12, 2018State Compliance achieved2 linked violations
- August 15, 2017State Formal Notice of Violation issued2 linked violations
- June 6, 1996State Compliance achieved6 linked violations
- October 5, 1994State Public Notification received5 linked violations
- August 26, 1994State Formal Notice of Violation issued6 linked violations
- November 20, 1988State Compliance achieved2 linked violations
- November 20, 1988State Compliance achieved1 linked violation
- November 20, 1988State Compliance achieved1 linked violation
- November 20, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- November 20, 1988State Compliance achieved1 linked violation
- November 20, 1988State Compliance achieved1 linked violation
- November 18, 1988State Intentional no-actiongeneral compliance action — not tied to a specific violation on record
- November 18, 1988State Intentional no-action4 linked violations
- September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
Common questions
Is GILBERTVILLE WATER WORKS required to publish a Consumer Confidence Report?
- Yes. GILBERTVILLE 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 GILBERTVILLE WATER WORKS’s next Consumer Confidence Report due?
- GILBERTVILLE WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GILBERTVILLE WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for GILBERTVILLE WATER WORKS 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
GILBERTVILLE WATER WORKS
319-296-3951
GILBERTVILLE, IA 50634