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.
City Of Columbia Utilities
MO3010181 · Groundwater · 126,254 people served system-wide
A municipal system, in-state city, and served county all agree with this Census 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
14% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Violation history (2)
Imported violation history for City Of Columbia Utilities| Rule | Status | Period |
|---|
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Lead and Copper Rule | Resolved | Jul 1, 2022 to Jun 20, 2023 |
University Of Missouri Columbia
MO3069001 · Groundwater · 40,000 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
19% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Boone County Cons Pwsd 1
MO3024055 · Groundwater · 24,700 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
23% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (1)
Imported violation history for Boone County Cons Pwsd 1| Rule | Status | Period |
|---|
| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
Boone County Pwsd 9
MO3024058 · Groundwater · 15,035 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
19% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (3)
Imported violation history for Boone County Pwsd 9| Rule | Status | Period |
|---|
| Revised Total Coliform Rule | Resolved | Aug 1, 2025 to Nov 13, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Nov 13, 2025 |
| E. COLI | Resolved | Sep 1, 2021 to Sep 7, 2021 |
Kuhle H20
MO3036153 · Groundwater · 450 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 (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Green Hills Mhp
MO3048033 · Groundwater · 195 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
36% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (4)
Imported violation history for Green Hills Mhp| Rule | Status | Period |
|---|
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to May 6, 2025 |
| Lead and Copper Rule | Unaddressed | Oct 1, 2024 |
| Revised Total Coliform Rule | Resolved | Oct 1, 2021 to Oct 31, 2021 |
| Revised Total Coliform Rule | Resolved | Jan 1, 2021 to Jan 31, 2021 |