WATERLOO, IA · Black Hawk County
WATERLOO WATER WORKS 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)
- IA0790074
- System type
- Community Water System
- Population served
- 69,504
- Service connections
- 27,430
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1996 – May 31, 1996
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1996 – March 31, 1996
ResolvedMonitoring, Regular
—Nitrate
July 1, 1993 – September 30, 1993
ResolvedMonitoring, Regular
—Chromium
July 1, 1985 – May 23, 1988
ResolvedMonitoring, Regular
—Fluoride
July 1, 1985 – May 23, 1988
ResolvedMonitoring, Regular
—Selenium
July 1, 1985 – May 23, 1988
ResolvedMonitoring, Regular
—Cadmium
July 1, 1985 – May 23, 1988
ResolvedMonitoring, Regular
—Barium
July 1, 1985 – May 23, 1988
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 1996 – May 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – March 31, 1996 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 1993 – September 30, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1985 – May 23, 1988 | Monitoring, Regular | Chromium | — | Resolved |
| July 1, 1985 – May 23, 1988 | Monitoring, Regular | Fluoride | — | Resolved |
| July 1, 1985 – May 23, 1988 | Monitoring, Regular | Selenium | — | Resolved |
| July 1, 1985 – May 23, 1988 | Monitoring, Regular | Cadmium | — | Resolved |
| July 1, 1985 – May 23, 1988 | Monitoring, Regular | Barium | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 6, 2015State Public Notification requested7 linked violations
- April 5, 2006State Compliance achieved6 linked violations
- August 24, 2005State Public Notification received5 linked violations
- August 17, 2005State Formal Notice of Violation issued7 linked violations
- July 22, 1996State Public Notification requested10 linked violations
- July 22, 1996State Public Notification requested2 linked violations
- July 12, 1996State Public Notification received1 linked violation
- May 20, 1996State Compliance achieved13 linked violations
- November 9, 1994State Public Notification received3 linked violations
- October 21, 1993State Compliance achieved3 linked violations
- March 10, 1992State Public Notification received7 linked violations
- March 9, 1992State Public Notification requested2 linked violations
- March 9, 1992State Formal Notice of Violation issued2 linked violations
- May 23, 1988State Compliance achieved3 linked violations
- May 23, 1988State Compliance achieved1 linked violation
Contact
WATERLOO WATER WORKS
319-232-6280
WATERLOO, IA 50704-0027