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.
Hermosa-Old System
SD4600154 · Groundwater · 420 people served system-wide
EPA SDWIS explicitly lists this ZIP in the system's served geography.
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
47% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2023
Violation history (4)
Imported violation history for Hermosa-Old System| Rule | Status | Period |
|---|
| Revised Total Coliform Rule | Resolved | Apr 1, 2025 to Apr 30, 2025 |
| Combined Uranium | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Combined Radium (-226 and -228) | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Gross Alpha, Excl. Radon and U | Resolved | Oct 1, 2021 to Dec 31, 2021 |
Hermosa Water Users Association
SD4602180 · Groundwater · 108 people served system-wide
EPA SDWIS explicitly lists this ZIP in the system's served geography.
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
13% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (1)
Imported violation history for Hermosa Water Users Association| Rule | Status | Period |
|---|
| Lead and Copper Rule | Resolved | Jul 1, 2021 to Dec 23, 2021 |
Heartland Country Ranchettes
SD4602235 · Groundwater · 95 people served system-wide
EPA SDWIS explicitly lists this ZIP in the system's served geography.
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
7% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
North Hermosa Wud
SD4600329 · Groundwater · 40 people served system-wide
EPA SDWIS explicitly lists this ZIP in the system's served geography.
1 reported active health-based record(s) for this system
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
7% of the listed benchmark
Monitoring period: Jan 1, 2025 to Jun 30, 2025
Violation history (3)
Imported violation history for North Hermosa Wud| Rule | Status | Period |
|---|
| Public Notice | Unaddressed | Dec 13, 2025 |
| Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based | Unaddressed | Feb 1, 2025 |
| Revised Total Coliform Rule | Resolved | Sep 1, 2024 to Sep 30, 2024 |