PlainWater

RAPID CITY MOBILE HOME PARK

PWS ID: SD4600257 · BLACK HAWK, South Dakota 57718

RAPID CITY MOBILE HOME PARK serves 170 people in BLACK HAWK, South Dakota using Groundwater water sources. It has 298 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RAPID CITY MOBILE HOME PARK

RAPID CITY MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 170 residents in BLACK HAWK, South Dakota (Pennington County) through 62 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 298 total violations for this system , of which 3 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 245 monitoring and reporting violations are on file. The most recent violation on record dates to 2007.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 52 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across South Dakota, EPA tracks 654 public water systems serving 915,901 people, with 56,254 cumulative violations and 8,399 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 86 violations. RAPID CITY MOBILE HOME PARK's 298 violations sit above the South Dakota average. Statewide, 42 of 49 UCMR5-tested systems have reported PFAS detections (85.7%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
170
Total Violations
298
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
62
County
Pennington
School/Daycare
No
MCL Violations
3
Monitoring Violations
245
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 52 2002
Lead and Copper Rule MR 34 2006
Consumer Confidence Rule Other 16 2007
Coliform (TCR) Other 8 2001
Heptachlor MR 4 1993
Atrazine MR 4 1993
Benzo(a)pyrene MR 4 1993
Methoxychlor MR 4 1993
Total Polychlorinated Biphenyls (PCB) MR 4 1993
Di(2-ethylhexyl) phthalate MR 4 1993
Endrin MR 4 1993
HEXACHLOROBENZENE MR 4 1993
Chlordane MR 4 1993
Toxaphene MR 4 1993
Simazine MR 4 1993
Aldicarb MR 4 1993
Aldicarb sulfone MR 4 1993
Aldicarb sulfoxide MR 4 1993
OXAMYL MR 4 1993
Dalapon MR 4 1993
Dinoseb MR 4 1993
2,4,5-TP MR 4 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 4 1993
ETHYLENE DIBROMIDE MR 4 1993
Glyphosate MR 4 1993
Diquat MR 4 1993
2,4-D MR 4 1993
Heptachlor epoxide MR 4 1993
LASSO MR 4 1993
Hexachlorocyclopentadiene MR 4 1993

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for RAPID CITY MOBILE HOME PARK.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID SD4600257 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

South Dakota Drinking Water Authority

South Dakota's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find SD regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2007 Consumer Confidence Rule Other 16 SDWIS / SD4600257 / 7000
2006 Lead and Copper Rule MR 34 SDWIS / SD4600257 / 5000
2002 Coliform (TCR) MR 52 SDWIS / SD4600257 / 3100
2002 Public Notice Other 3 SDWIS / SD4600257 / 7500
2001 Coliform (TCR) Other 8 SDWIS / SD4600257 / 3100
1998 Lead and Copper Rule Other 2 SDWIS / SD4600257 / 5000
1997 Coliform (TCR) MCL 3 SDWIS / SD4600257 / 3100
1993 Heptachlor MR 4 SDWIS / SD4600257 / 2065
1993 Atrazine MR 4 SDWIS / SD4600257 / 2050
1993 Benzo(a)pyrene MR 4 SDWIS / SD4600257 / 2306
1993 Methoxychlor MR 4 SDWIS / SD4600257 / 2015
1993 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / SD4600257 / 2383
1993 Di(2-ethylhexyl) phthalate MR 4 SDWIS / SD4600257 / 2039
1993 Endrin MR 4 SDWIS / SD4600257 / 2005
1993 HEXACHLOROBENZENE MR 4 SDWIS / SD4600257 / 2274

How RAPID CITY MOBILE HOME PARK Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric RAPID CITY MOBILE HOME PARK South Dakota avg Federal benchmark
Total violations 298 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 12.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 85.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 170 1,400 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 654 regulated public water systems in South Dakota.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is RAPID CITY MOBILE HOME PARK water safe to drink?
RAPID CITY MOBILE HOME PARK (PWS ID: SD4600257) has 298 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 170 people using Groundwater sources.
How many people does RAPID CITY MOBILE HOME PARK serve?
RAPID CITY MOBILE HOME PARK serves 170 people in BLACK HAWK, South Dakota. It is a Private-owned system using Groundwater water sources with 62 service connections.
What type of violations does RAPID CITY MOBILE HOME PARK have?
RAPID CITY MOBILE HOME PARK has 298 total violations: 3 health-based violations (MCL exceedances or treatment failures), 245 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RAPID CITY MOBILE HOME PARK water?
No PFAS testing data is available for RAPID CITY MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does RAPID CITY MOBILE HOME PARK use?
RAPID CITY MOBILE HOME PARK uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial