Water Quality: PIEDMONT,RAPID CITY, SD
13 water systems • 1,422 people served
No Health ViolationsWater Quality Summary
PIEDMONT,RAPID CITY is served by 13 public water systems with a combined service population of 1,422 people, and has 342 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. PIEDMONT,RAPID CITY's violation count is 354% above the national average for South Dakota. Contaminants associated with violations include 1,2-DIBROMO-3-CHLOROPROPANE, 2,4,5-TP, 2,4-D, Atrazine, Benzo(a)pyrene.
Contaminants Found
Cardiovascular damage and reproductive effects with long-term exposure; potential endocrine disruptor.
Common source: Runoff from corn and other crop herbicide applications
EPA limit: 0.003 mg/L (3 ppb)
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving PIEDMONT,RAPID CITY
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WESTON HEIGHTS HOMEOWNERS ASSOCIATIO | SD4600862 | Groundwater | 412 | 0 |
| SUNSET RANCH | SD4602263 | Groundwater | 263 | 0 |
| TIMBERWOOD PARK ESTATES | SD4602272 | Groundwater | 158 | 0 |
| WESTBERRY TRAILS WATER USERS ASSOC | SD4600253 | Groundwater | 155 | 12 |
| ELK CREEK VILLAGE | SD4602237 | Groundwater | 110 | 0 |
| SPRING CANYON WATER COMPANY | SD4600015 | Groundwater | 89 | 0 |
| SHERIDAN LAKE HIGHLANDS, INC. | SD4602285 | Groundwater | 85 | 48 |
| RIMROCK HIGHLAND ESTATES COMM ASSOC | SD4602231 | Groundwater | 66 | 0 |
| CAVALRY TRAILS HOMEOWNER ASSOCIATION | SD4602106 | Groundwater | 44 | 24 |
| CEDAR GULCH 2 | SD4602295 | Groundwater | 40 | 258 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in South Dakota
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.