CHELSEA WATER SUPPLY
Iowa - Community Water System - PWSID: IA8609019
System Information
| PWSID | IA8609019 |
| System Name | CHELSEA WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | CHELSEA |
| ZIP Code | 52215 |
| Address | ATTN NICOLAS VIALL WATER OPERATOR |
| Organization | CHELSEA WATER SUPPLY |
| Phone | 319-231-3577 |
Population & Service
| Population Served | 229 |
| Service Connections | 130 |
Drinking Water Violations (53)
This water system has 53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Sep 14, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2025 | - | |
| Sep 14, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2025 | - | |
| Sep 14, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2025 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | May 31, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Apr 24, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Apr 24, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Apr 24, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2020 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
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| - | - | - | No | No | - | - | - | - | - | - | |
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| - | - | - | 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.