EPWORTH, IA · Dubuque County
THUNDER HILLS HOME & UTILITY ASSOC. Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- IA3170335
- System type
- Community Water System
- Population served
- 300
- Service connections
- 92
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
April 1, 1991 – November 15, 1991
ResolvedMonitoring, Regular
—Arsenic
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Barium
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Cadmium
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Chromium
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Fluoride
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Selenium
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Mercury
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Nitrate
July 1, 1988 – June 30, 1991
ResolvedMonitoring, Regular
—Barium
September 30, 1980 – September 29, 1983
ArchivedMonitoring, Regular
—Arsenic
September 30, 1980 – September 29, 1983
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 |
|---|---|---|---|---|
| April 1, 1991 – November 15, 1991 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Barium | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Cadmium | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Chromium | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Fluoride | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Selenium | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Mercury | — | Resolved |
| July 1, 1988 – June 30, 1991 | Monitoring, Regular | Nitrate | — | Resolved |
| September 30, 1980 – September 29, 1983 | Monitoring, Regular | Barium | — | Archived |
| September 30, 1980 – September 29, 1983 | Monitoring, Regular | Arsenic | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 25, 2007State Formal Notice of Violation issued1 linked violation
- October 25, 2007State Public Notification requested1 linked violation
- October 9, 2002State Compliance achieved5 linked violations
- August 22, 2002State Formal Notice of Violation issued3 linked violations
- February 15, 2001State Compliance achieved4 linked violations
- December 15, 2000State Public Notification requested3 linked violations
- November 20, 1991State Administrative/Compliance Order without penalty issued2 linked violations
- November 20, 1991State Administrative/Compliance Order without penalty issued1 linked violation
- November 20, 1991State Administrative/Compliance Order without penalty issued3 linked violations
- November 15, 1991State Compliance achieved2 linked violations
- November 15, 1991State Compliance achieved2 linked violations
- October 29, 1991State Public Notification requested3 linked violations
- October 29, 1991State Formal Notice of Violation issued2 linked violations
- October 29, 1991State Public Notification requested2 linked violations
- October 29, 1991State Public Notification requested2 linked violations
- October 29, 1991State Formal Notice of Violation issued3 linked violations
- October 29, 1991State Public Notification requested4 linked violations
- October 29, 1991State Formal Notice of Violation issued2 linked violations
- October 29, 1991State Public Notification requested1 linked violation
- October 10, 1988State Compliance achieved2 linked violations
- September 29, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- August 8, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
Contact
THUNDER HILLS HOME & UTILITY ASSOC.
563-543-0354
EPWORTH, IA 52045