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MARTIN

PWS ID: SD4600202 · MARTIN, South Dakota 57551

MARTIN serves 1,500 people in MARTIN, South Dakota using Groundwater water sources. It has 116 recorded EPA violations, including 19 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MARTIN

MARTIN is a local-owned community water system that delivers drinking water to 1,500 residents in MARTIN, South Dakota (Bennett County) through 460 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 116 total violations for this system , of which 19 (16%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 90 monitoring and reporting violations are on file. The most recent violation on record dates to 2010.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 15 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. MARTIN's 116 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
1,500
Total Violations
116
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
460
County
Bennett
School/Daycare
No
MCL Violations
17
Monitoring Violations
90
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 15 1998
Coliform (TCR) MCL 14 1998
Gross Alpha, Excl. Radon and U MR 4 2006
Combined Radium (-226 and -228) MR 4 2006
Combined Uranium MR 3 2006
Arsenic MCL 3 2010
Di(2-ethylhexyl) phthalate MR 2 1993
Hexachlorocyclopentadiene MR 2 1993
Endrin MR 2 1993
HEXACHLOROBENZENE MR 2 1993
BHC-GAMMA MR 2 1993
Simazine MR 2 1993
Aldicarb MR 2 1993
Aldicarb sulfone MR 2 1993
Aldicarb sulfoxide MR 2 1993
Carbofuran MR 2 1993
OXAMYL MR 2 1993
Dinoseb MR 2 1993
2,4,5-TP MR 2 1993
Pentachlorophenol MR 2 1993
2,4-D MR 2 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 2 1993
ETHYLENE DIBROMIDE MR 2 1993
Endothall MR 2 1993
Diquat MR 2 1993
Picloram MR 2 1993
Total Polychlorinated Biphenyls (PCB) MR 2 1993
LASSO MR 2 1993
Heptachlor epoxide MR 2 1993
Dalapon MR 2 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 MARTIN.

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 SD4600202 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
2010 Arsenic MCL 3 SDWIS / SD4600202 / 1005
2006 Gross Alpha, Excl. Radon and U MR 4 SDWIS / SD4600202 / 4000
2006 Combined Radium (-226 and -228) MR 4 SDWIS / SD4600202 / 4010
2006 Combined Uranium MR 3 SDWIS / SD4600202 / 4006
2006 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 SDWIS / SD4600202 / 0400
1998 Coliform (TCR) MR 15 SDWIS / SD4600202 / 3100
1998 Coliform (TCR) MCL 14 SDWIS / SD4600202 / 3100
1993 Di(2-ethylhexyl) phthalate MR 2 SDWIS / SD4600202 / 2039
1993 Hexachlorocyclopentadiene MR 2 SDWIS / SD4600202 / 2042
1993 Endrin MR 2 SDWIS / SD4600202 / 2005
1993 HEXACHLOROBENZENE MR 2 SDWIS / SD4600202 / 2274
1993 BHC-GAMMA MR 2 SDWIS / SD4600202 / 2010
1993 Simazine MR 2 SDWIS / SD4600202 / 2037
1993 Aldicarb MR 2 SDWIS / SD4600202 / 2047
1993 Aldicarb sulfone MR 2 SDWIS / SD4600202 / 2044

How MARTIN Compares

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

Metric MARTIN South Dakota avg Federal benchmark
Total violations 116 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 1,500 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 MARTIN water safe to drink? ▼
MARTIN (PWS ID: SD4600202) has 116 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,500 people using Groundwater sources.
How many people does MARTIN serve? ▼
MARTIN serves 1,500 people in MARTIN, South Dakota. It is a Local-owned system using Groundwater water sources with 460 service connections.
What type of violations does MARTIN have? ▼
MARTIN has 116 total violations: 19 health-based violations (MCL exceedances or treatment failures), 90 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MARTIN water? ▼
No PFAS testing data is available for MARTIN under the EPA's UCMR5 monitoring program.
What water source does MARTIN use? ▼
MARTIN 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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