HERMOSA, SD · Custer County
HERMOSA WATER USERS ASSOCIATION Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.
System facts
- System ID (PWSID)
- SD4602180
- System type
- Community Water System
- Population served
- 108
- Service connections
- 49
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Initial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 2020 – December 16, 2020
ResolvedTreatment Technique, Level 1 Assessment (RTCR)
Health-basedRevised Total Coliform Rule
October 5, 2019 – October 24, 2019
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2020 – December 16, 2020 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| October 5, 2019 – October 24, 2019 | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 23, 2017State Public Notification received24 linked violations
Contact
HERMOSA WATER USERS ASSOCIATION
Phone not on record
HERMOSA, SD 57744