DELMAR WATER SUPPLY
Iowa — Community Water System — PWSID: IA2328024
System Information
| PWSID | IA2328024 |
| System Name | DELMAR WATER SUPPLY |
| 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 | MAQUOKETA |
| ZIP Code | 52060 |
| Address | ATTN JAMES CONNOLLY OPERATOR |
| Organization | DELMAR WATER SUPPLY |
| Phone | 563-212-0543 |
Population & Service
| Population Served | 542 |
| Service Connections | 218 |
Drinking Water Violations (13)
This water system has 13 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, 2018 | Jan 31, 2018 | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2018 | Ground Water Rule |
| Jan 1, 2018 | Jan 31, 2018 | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2018 | Ground Water Rule |
| Jan 1, 2018 | Jan 31, 2018 | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2018 | Ground Water Rule |
| Jan 1, 2018 | Jan 31, 2018 | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2018 | Ground Water Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| Oct 1, 1988 | Sep 30, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 1992 | Radionuclides and Revised Rad Rule |
| — | — | — | No | No | — | — | — | — | — | — |
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.