TREYNOR WATER DEPARTMENT
Iowa — Community Water System — PWSID: IA7866031
System Information
| PWSID | IA7866031 |
| System Name | TREYNOR WATER DEPARTMENT |
| 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 | TREYNOR |
| ZIP Code | 51575 |
| Address | ATTN CASEY BARAGARY WATER SUPR |
| Organization | TREYNOR WATER DEPARTMENT |
| Phone | 402-660-3550 |
Population & Service
| Population Served | 1,049 |
| Service Connections | 480 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | Sep 30, 2025 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Archived | Sep 30, 2025 | Nitrate Rule |
| Oct 1, 2024 | Sep 30, 2025 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Sep 30, 2025 | Nitrate Rule |
| Jul 1, 2021 | Jul 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Jul 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2021 | May 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | Revised Total Coliform Rule |
| May 1, 2021 | May 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | Revised Total Coliform Rule |
| May 1, 2021 | May 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | Revised Total Coliform Rule |
| May 1, 2021 | May 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2021 | Revised Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | 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 |
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.