These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
Putnam County Pwsd 1
MO2024495 · Surface water · 2,550 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
0% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Unionville Pws
MO2010804 · Surface water · 1,735 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
39% of the listed benchmark
Monitoring period: Jul 1, 2023 to Dec 31, 2023
Violation history (4)
Imported violation history for Unionville Pws| Rule | Status | Period |
|---|
| Revised Total Coliform Rule | Resolved | Nov 1, 2024 to Nov 30, 2024 |
| Public Notice | Resolved | Oct 25, 2021 to Feb 28, 2022 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | Resolved | Jul 1, 2021 to Jul 31, 2021 |
| Interim Enhanced Surface Water Treatment RuleHealth-based | Resolved | Jul 1, 2021 to Jul 31, 2021 |
Lake Thunderhead
MO2036165 · Surface water · 585 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- Action level
0% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (6)
Imported violation history for Lake Thunderhead| Rule | Status | Period |
|---|
| Revised Total Coliform Rule | Resolved | Nov 1, 2025 to Nov 30, 2025 |
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2024 to Sep 10, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Nov 1, 2023 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2021 to Oct 31, 2021 |
| Revised Total Coliform Rule | Resolved | Jun 1, 2021 to Jun 30, 2021 |