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States → South Dakota

BOULDER PARK WATER USERS ASSOCIATION

PWS ID: SD4602005 · RAPID CITY, South Dakota 57709

Population Served
200
Total Violations
73
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
85
County
Lawrence
School/Daycare
No
MCL Violations
8
Monitoring Violations
61
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 1995
Lead and Copper Rule MR 3 1996
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 2015
Coliform (TCR) MR 2 1993
Aldicarb sulfone MR 2 1993
OXAMYL MR 2 1993
LASSO MR 2 1993
Heptachlor MR 2 1993
Atrazine MR 2 1993
Benzo(a)pyrene MR 2 1993
Methoxychlor MR 2 1993
Total Polychlorinated Biphenyls (PCB) MR 2 1993
Di(2-ethylhexyl) phthalate MR 2 1993
Hexachlorocyclopentadiene MR 2 1993
BHC-GAMMA MR 2 1993
Toxaphene MR 2 1993
Dalapon MR 2 1993
Dinoseb MR 2 1993
Pentachlorophenol MR 2 1993
Picloram MR 2 1993
2,4-D MR 2 1993
Aldicarb MR 2 1993
Simazine MR 2 1993
Heptachlor epoxide MR 2 1993
Glyphosate MR 2 1993
2,4,5-TP MR 2 1993
Aldicarb sulfoxide MR 2 1993
Endrin MR 2 1993
Consumer Confidence Rule Other 2 2008
Chlordane MR 2 1993
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.