BLACK HAWK, SD · Pennington County
THRALL MTN. PROPERTY OWNERS ASSOCIAT Water System
Consumer Confidence Report status
THRALL MTN. PROPERTY OWNERS ASSOCIAT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for THRALL MTN. PROPERTY OWNERS ASSOCIAT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- SD4600513
- System type
- Community Water System
- Population served
- 70
- Service connections
- 28
- Ownership
- privately owned
- Water source
- groundwater (wells)
THRALL MTN. PROPERTY OWNERS ASSOCIAT is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 70 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1976, all of which EPA lists as closed. Nothing has been added since 1976.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 1976 – May 31, 1980 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is THRALL MTN. PROPERTY OWNERS ASSOCIAT required to publish a Consumer Confidence Report?
- Yes. THRALL MTN. PROPERTY OWNERS ASSOCIAT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is THRALL MTN. PROPERTY OWNERS ASSOCIAT’s next Consumer Confidence Report due?
- THRALL MTN. PROPERTY OWNERS ASSOCIAT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does THRALL MTN. PROPERTY OWNERS ASSOCIAT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for THRALL MTN. PROPERTY OWNERS ASSOCIAT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
THRALL MTN. PROPERTY OWNERS ASSOCIAT
6057864366
BLACK HAWK, SD 57718