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.
Billings City Of
MT0000153 · Surface water · 114,000 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
Below action level- Reported level
- Action level
33% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Billings Heights Co Water Dist Of
MT0000155 · Surface water · 12,000 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
Below action level- Reported level
- Action level
33% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (4)
Imported violation history for Billings Heights Co Water Dist Of| Rule | Status | Period |
|---|
| TTHM | Archived | Jan 1, 2026 to Mar 31, 2026 |
| Total Haloacetic Acids (HAA5) | Archived | Jan 1, 2026 to Mar 31, 2026 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Jul 18, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Jul 25, 2025 |
Lockwood Water And Sewer District
MT0000156 · Surface water · 5,900 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
Below action level- Reported level
- Action level
20% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Pioneer Water Service
MT0004226 · Surface water · 900 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
Below action level- Reported level
- Action level
13% of the listed benchmark
Monitoring period: Jan 1, 2019 to Dec 31, 2021
Violation history (3)
Imported violation history for Pioneer Water Service| Rule | Status | Period |
|---|
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Sep 23, 2025 |
| Lead and Copper Rule | Resolved | Dec 30, 2021 to Jan 7, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Jun 22, 2022 |
Estates At Yellowstone Llc
MT0000464 · Groundwater · 800 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 (2)
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
Below action level- Reported level
- Action level
20% of the listed benchmark
Monitoring period: Jul 1, 2024 to Dec 31, 2024
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Above action level- Reported level
- Action level
113% of the listed benchmark
Monitoring period: Jan 1, 2009 to Jun 30, 2009
Violation history (3)
Imported violation history for Estates At Yellowstone Llc| Rule | Status | Period |
|---|
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jul 5, 2023 |
| Lead and Copper Rule | Resolved | Dec 30, 2021 to Dec 13, 2023 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Jul 30, 2021 |
Golden Meadows Subdivision
MT0005141 · Surface water · 772 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
Below action level- Reported level
- Action level
27% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Violation history (1)
Imported violation history for Golden Meadows Subdivision| Rule | Status | Period |
|---|
| Lead and Copper Rule | Resolved | Jul 1, 2025 to Dec 22, 2025 |
Fisher Water Service
MT0001848 · Surface water · 750 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
Below action level- Reported level
- Action level
0% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (3)
Imported violation history for Fisher Water Service| Rule | Status | Period |
|---|
| Lead and Copper Rule | Resolved | Dec 30, 2024 to Apr 29, 2025 |
| Lead and Copper Rule | Resolved | Dec 30, 2021 to Jan 10, 2022 |
| Consumer Confidence Rule | Resolved | Jul 1, 2021 to Jun 22, 2022 |
Hillside Village
MT0003808 · Surface water · 650 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
Below action level- Reported level
- Action level
7% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (5)
Imported violation history for Hillside Village| Rule | Status | Period |
|---|
| Consumer Confidence Rule | Resolved | Oct 1, 2025 to Oct 6, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Jul 17, 2025 |
| Lead and Copper Rule | Resolved | Dec 30, 2024 to Dec 10, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2022 to Sep 2, 2022 |
| Lead and Copper Rule | Resolved | Dec 30, 2021 to Feb 8, 2024 |
Cherry Creek Estates Llc
MT0004392 · Surface water · 600 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
Below action level- Reported level
- Action level
13% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (8)
Imported violation history for Cherry Creek Estates Llc| Rule | Status | Period |
|---|
| Consumer Confidence Rule | Unaddressed | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2025 to Dec 31, 2025 |
| TTHM | Resolved | Oct 1, 2025 to Dec 31, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2025 to Mar 31, 2025 |
| TTHM | Resolved | Jan 1, 2025 to Mar 31, 2025 |
| TTHM | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| Consumer Confidence Rule | Resolved | Jul 1, 2023 to Jul 5, 2023 |
Windsor Estates
MT0003807 · Surface water · 530 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
Below action level- Reported level
- Action level
7% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (2)
Imported violation history for Windsor Estates| Rule | Status | Period |
|---|
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Lead and Copper Rule | Unaddressed | Jan 1, 1996 |