RAPID CITY, SD · Lawrence County
BOULDER PARK WATER USERS ASSOCIATION Water System
Consumer Confidence Report status
BOULDER PARK WATER USERS ASSOCIATION 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 BOULDER PARK WATER USERS ASSOCIATION.
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)
- SD4602005
- System type
- Community Water System
- Population served
- 200
- Service connections
- 85
- Ownership
- privately owned
- Water source
- groundwater (wells)
BOULDER PARK WATER USERS ASSOCIATION is one of 583 community water systems in South Dakota in the 500 or fewer people size category, serving 200 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries in 1993, all of which EPA lists as closed. Nothing has been added since 1993.
All 2 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 synthetic organic chemicals.
Violation history
Monitoring, Regular
—Hexachlorocyclopentadiene
January 1, 1993 – December 31, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1993 – December 31, 1995
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 13, 1997State Public Notification received68 linked violations
Common questions
Is BOULDER PARK WATER USERS ASSOCIATION required to publish a Consumer Confidence Report?
- Yes. BOULDER PARK WATER USERS ASSOCIATION 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 BOULDER PARK WATER USERS ASSOCIATION’s next Consumer Confidence Report due?
- BOULDER PARK WATER USERS ASSOCIATION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does BOULDER PARK WATER USERS ASSOCIATION have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for BOULDER PARK WATER USERS ASSOCIATION.
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
BOULDER PARK WATER USERS ASSOCIATION
Phone not on record
RAPID CITY, SD 57709