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SPINK COLONY

PWS ID: SD4602059 · FRANKFORT, South Dakota 57440

SPINK COLONY serves 108 people in FRANKFORT, South Dakota using Groundwater water sources. It has 230 recorded EPA violations, including 19 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SPINK COLONY

SPINK COLONY is a private-owned community water system that delivers drinking water to 108 residents in FRANKFORT, South Dakota (Spink County) through 25 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 230 total violations for this system , of which 19 (8%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 205 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 21 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. SPINK COLONY's 230 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
108
Total Violations
230
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
25
County
Spink
School/Daycare
No
MCL Violations
16
Monitoring Violations
205
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 21 2015
Coliform (TCR) MCL 16 2014
E. COLI MR 9 2020
Lead and Copper Rule MR 8 1995
Nitrate MR 5 2003
LASSO MR 4 1996
Atrazine MR 4 1996
Benzo(a)pyrene MR 4 1996
Methoxychlor MR 4 1996
Total Polychlorinated Biphenyls (PCB) MR 4 1996
Hexachlorocyclopentadiene MR 4 1996
Endrin MR 4 1996
BHC-GAMMA MR 4 1996
Chlordane MR 4 1996
Toxaphene MR 4 1996
Aldicarb sulfone MR 4 1996
Aldicarb sulfoxide MR 4 1996
Carbofuran MR 4 1996
Dalapon MR 4 1996
2,4,5-TP MR 4 1996
Pentachlorophenol MR 4 1996
1,2-DIBROMO-3-CHLOROPROPANE MR 4 1996
Endothall MR 4 1996
Glyphosate MR 4 1996
Heptachlor epoxide MR 4 1996
Di(2-ethylhexyl) adipate MR 4 1996
Di(2-ethylhexyl) phthalate MR 4 1996
OXAMYL MR 4 1996
Picloram MR 4 1996
2,4-D MR 4 1996

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 SPINK COLONY.

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 SD4602059 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
2022 Combined Uranium MR 2 SDWIS / SD4602059 / 4006
2022 Combined Radium (-226 and -228) MR 2 SDWIS / SD4602059 / 4010
2022 Gross Alpha, Excl. Radon and U MR 2 SDWIS / SD4602059 / 4000
2020 E. COLI MR 9 SDWIS / SD4602059 / 3014
2017 Revised Total Coliform Rule TT 3 SDWIS / SD4602059 / 8000
2015 Coliform (TCR) MR 21 SDWIS / SD4602059 / 3100
2014 Coliform (TCR) MCL 16 SDWIS / SD4602059 / 3100
2014 Public Notice Other 2 SDWIS / SD4602059 / 7500
2003 Nitrate MR 5 SDWIS / SD4602059 / 1040
2002 Consumer Confidence Rule Other 2 SDWIS / SD4602059 / 7000
1996 LASSO MR 4 SDWIS / SD4602059 / 2051
1996 Atrazine MR 4 SDWIS / SD4602059 / 2050
1996 Benzo(a)pyrene MR 4 SDWIS / SD4602059 / 2306
1996 Methoxychlor MR 4 SDWIS / SD4602059 / 2015
1996 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / SD4602059 / 2383

How SPINK COLONY Compares

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

Metric SPINK COLONY South Dakota avg Federal benchmark
Total violations 230 86 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 19 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 108 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 SPINK COLONY water safe to drink? ▼
SPINK COLONY (PWS ID: SD4602059) has 230 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 108 people using Groundwater sources.
How many people does SPINK COLONY serve? ▼
SPINK COLONY serves 108 people in FRANKFORT, South Dakota. It is a Private-owned system using Groundwater water sources with 25 service connections.
What type of violations does SPINK COLONY have? ▼
SPINK COLONY has 230 total violations: 19 health-based violations (MCL exceedances or treatment failures), 205 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SPINK COLONY water? ▼
No PFAS testing data is available for SPINK COLONY under the EPA's UCMR5 monitoring program.
What water source does SPINK COLONY use? ▼
SPINK COLONY 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