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REYNOLDS COURT

PWS ID: SD4600160 · SPEARFISH, South Dakota 57783

REYNOLDS COURT serves 28 people in SPEARFISH, South Dakota using Groundwater water sources. It has 288 recorded EPA violations, including 18 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: REYNOLDS COURT

REYNOLDS COURT is a private-owned community water system that delivers drinking water to 28 residents in SPEARFISH, South Dakota (Pennington County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 288 total violations for this system , of which 18 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 249 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 35 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. REYNOLDS COURT's 288 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
28
Total Violations
288
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
11
County
Pennington
School/Daycare
No
MCL Violations
0
Monitoring Violations
249
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 35 2006
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 14 2019
Public Notice Other 12 2007
TTHM MR 8 2006
Total Haloacetic Acids (HAA5) MR 8 2006
Heptachlor MR 6 2003
Heptachlor epoxide MR 6 2003
Atrazine MR 6 2003
Methoxychlor MR 6 2003
Di(2-ethylhexyl) adipate MR 6 2003
Di(2-ethylhexyl) phthalate MR 6 2003
Endrin MR 6 2003
HEXACHLOROBENZENE MR 6 2003
BHC-GAMMA MR 6 2003
Chlordane MR 6 2003
Simazine MR 6 2003
Carbofuran MR 6 2003
OXAMYL MR 6 2003
Dalapon MR 6 2003
Pentachlorophenol MR 6 2003
Picloram MR 6 2003
2,4-D MR 6 2003
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2003
Endothall MR 6 2003
Total Polychlorinated Biphenyls (PCB) MR 6 2003
Toxaphene MR 6 2003
2,4,5-TP MR 6 2003
Benzo(a)pyrene MR 6 2003
Dinoseb MR 6 2003
LASSO MR 6 2003

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 REYNOLDS COURT.

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 SD4600160 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
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / SD4600160 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / SD4600160 / 5200
2020 Groundwater Rule TT 2 SDWIS / SD4600160 / 0700
2019 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 14 SDWIS / SD4600160 / 0400
2014 Nitrate MR 5 SDWIS / SD4600160 / 1040
2007 Public Notice Other 12 SDWIS / SD4600160 / 7500
2006 Chlorine MR 35 SDWIS / SD4600160 / 0999
2006 TTHM MR 8 SDWIS / SD4600160 / 2950
2006 Total Haloacetic Acids (HAA5) MR 8 SDWIS / SD4600160 / 2456
2003 Heptachlor MR 6 SDWIS / SD4600160 / 2065
2003 Heptachlor epoxide MR 6 SDWIS / SD4600160 / 2067
2003 Atrazine MR 6 SDWIS / SD4600160 / 2050
2003 Methoxychlor MR 6 SDWIS / SD4600160 / 2015
2003 Di(2-ethylhexyl) adipate MR 6 SDWIS / SD4600160 / 2035
2003 Di(2-ethylhexyl) phthalate MR 6 SDWIS / SD4600160 / 2039

How REYNOLDS COURT Compares

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

Metric REYNOLDS COURT South Dakota avg Federal benchmark
Total violations 288 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 18 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 28 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 REYNOLDS COURT water safe to drink? ▼
REYNOLDS COURT (PWS ID: SD4600160) has 288 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 28 people using Groundwater sources.
How many people does REYNOLDS COURT serve? ▼
REYNOLDS COURT serves 28 people in SPEARFISH, South Dakota. It is a Private-owned system using Groundwater water sources with 11 service connections.
What type of violations does REYNOLDS COURT have? ▼
REYNOLDS COURT has 288 total violations: 18 health-based violations (MCL exceedances or treatment failures), 249 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in REYNOLDS COURT water? ▼
No PFAS testing data is available for REYNOLDS COURT under the EPA's UCMR5 monitoring program.
What water source does REYNOLDS COURT use? ▼
REYNOLDS COURT 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.

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

Read our methodology — how this data is sourced, computed, and verified.

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