DUBUQUE WATER WORKS
Iowa — Community Water System — PWSID: IA3126052
System Information
| PWSID | IA3126052 |
| System Name | DUBUQUE WATER WORKS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | Iowa |
| City | DUBUQUE |
| ZIP Code | 52001 |
| Address | ATTN CHRISTOPHER LESTER |
| Organization | DUBUQUE WATER WORKS |
| Phone | 563-589-4291 |
Population & Service
| Population Served | 59,667 |
| Service Connections | 23,954 |
Drinking Water Violations (20)
This water system has 20 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2008 | Mar 31, 2008 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Mar 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | Sep 30, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 2, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | Sep 30, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 2, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2004 | Jun 30, 2004 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2004 | Jun 30, 2004 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2004 | Jun 30, 2004 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
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About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.