ROCKWELL CITY WATER SUPPLY
Iowa — Community Water System — PWSID: IA1376098
System Information
| PWSID | IA1376098 |
| System Name | ROCKWELL CITY 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 | ROCKWELL CITY |
| ZIP Code | 50579 |
| Address | ATTN DAVID KING WATER SUPT |
| Organization | ROCKWELL CITY WATER SUPPLY |
| Phone | 712-297-5630 |
Population & Service
| Population Served | 2,250 |
| Service Connections | 878 |
Drinking Water Violations (27)
This water system has 27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 27, 2024 | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 27, 2024 | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 27, 2024 | Consumer Confidence Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Oct 1, 1995 | Oct 31, 1995 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Oct 31, 1995 | Nitrate Rule |
| Oct 1, 1995 | Oct 31, 1995 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Oct 31, 1995 | Nitrate Rule |
| Oct 1, 1995 | Oct 31, 1995 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Oct 31, 1995 | Nitrate Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1991 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.