TERRIL MUNICIPAL WATERWORKS
Iowa — Community Water System — PWSID: IA3080016
System Information
| PWSID | IA3080016 |
| System Name | TERRIL MUNICIPAL WATERWORKS |
| 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 | TERRIL |
| ZIP Code | 51364 |
| Address | ATTN JULIE THIESEN MAYOR |
| Organization | TERRIL MUNI WATERWORKS |
| Phone | 712-853-6319 |
Population & Service
| Population Served | 334 |
| Service Connections | 201 |
Drinking Water Violations (41)
This water system has 41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Dec 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 24, 2022 | Lead and Copper Rule |
| Dec 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 24, 2022 | Lead and Copper Rule |
| Dec 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 24, 2022 | Lead and Copper Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2021 | Aug 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2010 | Aug 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | Total Coliform Rule |
| Aug 1, 2010 | Aug 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | Total Coliform Rule |
| Aug 1, 2010 | Aug 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | Total Coliform Rule |
| Aug 1, 2010 | Aug 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Sep 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2010 | Sep 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2010 | Sep 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2010 | Sep 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Jul 1, 1996 | Jul 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | Total Coliform Rule |
| Jul 1, 1996 | Jul 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | Total Coliform Rule |
| Jul 1, 1996 | Jul 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 26, 1993 | Total Coliform Rule |
| — | — | — | 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.