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STANTON WATER SUPPLY

PWS ID: IA6965091 · STANTON, Iowa 51573-0189

STANTON WATER SUPPLY serves 683 people in STANTON, Iowa using Groundwater water sources. It has 172 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: STANTON WATER SUPPLY

STANTON WATER SUPPLY is a local-owned transient non-community water system that delivers drinking water to 683 residents in STANTON, Iowa (Montgomery County) through 304 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 172 total violations for this system , of which 10 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 139 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 10 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Iowa, EPA tracks 1,795 public water systems serving 3,114,444 people, with 138,271 cumulative violations and 27,946 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 77 violations. STANTON WATER SUPPLY's 172 violations sit above the Iowa average. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%). 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
683
Total Violations
172
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
304
County
Montgomery
School/Daycare
No
MCL Violations
10
Monitoring Violations
139
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 1991
Coliform (TCR) MR 4 2008
LASSO MR 4 1995
2,4-D MR 4 1995
Dinoseb MR 4 1995
Pentachlorophenol MR 4 1995
2,4,5-TP MR 4 1995
Benzene MR 4 1995
Carbon tetrachloride MR 4 1995
1,2-Dichloroethane MR 4 1995
DICHLOROMETHANE MR 4 1995
1,2-Dichloropropane MR 4 1995
Ethylbenzene MR 4 1995
Styrene MR 4 1995
Toluene MR 4 1995
1,1,1-Trichloroethane MR 4 1995
Xylenes, Total MR 4 1995
Di(2-ethylhexyl) adipate MR 4 1995
Picloram MR 4 1995
Atrazine MR 4 1995
p-Dichlorobenzene MR 4 1995
Di(2-ethylhexyl) phthalate MR 4 1995
trans-1,2-Dichloroethylene MR 4 1995
Benzo(a)pyrene MR 4 1995
1,2,4-Trichlorobenzene MR 4 1995
Simazine MR 4 1995
Trichloroethylene MR 4 1995
o-Dichlorobenzene MR 4 1995
1,1-Dichloroethylene MR 4 1995
Vinyl chloride MR 4 1995

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 STANTON WATER SUPPLY.

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 IA6965091 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Iowa Drinking Water Authority

Iowa'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 IA 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 Lead and Copper Rule MR 3 SDWIS / IA6965091 / 5000
2008 Coliform (TCR) MR 4 SDWIS / IA6965091 / 3100
1995 LASSO MR 4 SDWIS / IA6965091 / 2051
1995 2,4-D MR 4 SDWIS / IA6965091 / 2105
1995 Dinoseb MR 4 SDWIS / IA6965091 / 2041
1995 Pentachlorophenol MR 4 SDWIS / IA6965091 / 2326
1995 2,4,5-TP MR 4 SDWIS / IA6965091 / 2110
1995 Benzene MR 4 SDWIS / IA6965091 / 2990
1995 Carbon tetrachloride MR 4 SDWIS / IA6965091 / 2982
1995 1,2-Dichloroethane MR 4 SDWIS / IA6965091 / 2980
1995 DICHLOROMETHANE MR 4 SDWIS / IA6965091 / 2964
1995 1,2-Dichloropropane MR 4 SDWIS / IA6965091 / 2983
1995 Ethylbenzene MR 4 SDWIS / IA6965091 / 2992
1995 Styrene MR 4 SDWIS / IA6965091 / 2996
1995 Toluene MR 4 SDWIS / IA6965091 / 2991

How STANTON WATER SUPPLY Compares

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

Metric STANTON WATER SUPPLY Iowa avg Federal benchmark
Total violations 172 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 683 1,735 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,795 regulated public water systems in Iowa.

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 STANTON WATER SUPPLY water safe to drink? ▼
STANTON WATER SUPPLY (PWS ID: IA6965091) has 172 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 683 people using Groundwater sources.
How many people does STANTON WATER SUPPLY serve? ▼
STANTON WATER SUPPLY serves 683 people in STANTON, Iowa. It is a Local-owned system using Groundwater water sources with 304 service connections.
What type of violations does STANTON WATER SUPPLY have? ▼
STANTON WATER SUPPLY has 172 total violations: 10 health-based violations (MCL exceedances or treatment failures), 139 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in STANTON WATER SUPPLY water? ▼
No PFAS testing data is available for STANTON WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does STANTON WATER SUPPLY use? ▼
STANTON WATER SUPPLY uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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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