NIANGUA PWS
Missouri - Community Water System - PWSID: MO5010575
System Information
| PWSID | MO5010575 |
| System Name | NIANGUA PWS |
| 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 | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | NIANGUA |
| ZIP Code | 65713-0000 |
| Address | 135 S COMMERCIAL ST |
| Organization | PETTY, TIM |
| Phone | 417-473-6449 |
Population & Service
| Population Served | 411 |
| Service Connections | 178 |
Drinking Water Violations (81)
This water system has 81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2025 | - | MR | No | Yes | - | - | - | Resolved | May 14, 2025 | - | |
| May 1, 2025 | - | MR | No | Yes | - | - | - | Resolved | May 14, 2025 | - | |
| May 1, 2025 | - | MR | No | Yes | - | - | - | Resolved | May 14, 2025 | - | |
| May 1, 2025 | - | MR | No | Yes | - | - | - | Resolved | May 14, 2025 | - | |
| May 1, 2025 | - | MR | No | Yes | - | - | - | Resolved | May 14, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Oct 7, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 13, 2025 | - | |
| Oct 7, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 13, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Aug 12, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2024 | - | |
| Aug 12, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2024 | - | |
| Aug 12, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2024 | - | |
| Aug 12, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2024 | - | |
| Aug 12, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 29, 2022 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - |
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.