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WAHPETON WATER SUPPLY

PWS ID: IA3087057 · MILFORD, Iowa 51351

WAHPETON WATER SUPPLY serves 408 people in MILFORD, Iowa using Surface Water water sources. It has 333 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WAHPETON WATER SUPPLY

WAHPETON WATER SUPPLY is a local-owned community water system that delivers drinking water to 408 residents in MILFORD, Iowa (Dickinson County) through 626 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 333 total violations for this system , of which 1 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 234 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is 1,2-Dichloropropane, recorded in 9 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 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. WAHPETON WATER SUPPLY's 333 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
408
Total Violations
333
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
626
County
Dickinson
School/Daycare
No
MCL Violations
0
Monitoring Violations
234
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2-Dichloropropane MR 9 2013
o-Dichlorobenzene MR 9 2013
p-Dichlorobenzene MR 9 2013
Xylenes, Total MR 9 2013
trans-1,2-Dichloroethylene MR 9 2013
1,1,1-Trichloroethane MR 9 2013
Carbon tetrachloride MR 9 2013
Trichloroethylene MR 9 2013
Tetrachloroethylene MR 9 2013
CHLOROBENZENE MR 9 2013
Benzene MR 9 2013
Ethylbenzene MR 9 2013
Styrene MR 9 2013
1,2-Dichloroethane MR 9 2013
cis-1,2-Dichloroethylene MR 9 2013
1,1-Dichloroethylene MR 9 2013
DICHLOROMETHANE MR 9 2013
1,1,2-Trichloroethane MR 9 2013
Toluene MR 9 2013
Nitrate MR 8 1990
LASSO MR 4 2013
Atrazine MR 4 2013
2,4-D MR 4 2013
Picloram MR 4 2013
Simazine MR 4 2013
2,4,5-TP MR 4 2013
Vinyl chloride MR 4 2013
Pentachlorophenol MR 4 2013
Di(2-ethylhexyl) adipate MR 4 2013
Benzo(a)pyrene MR 4 2013

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 WAHPETON 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 IA3087057 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
2013 1,2-Dichloropropane MR 9 SDWIS / IA3087057 / 2983
2013 o-Dichlorobenzene MR 9 SDWIS / IA3087057 / 2968
2013 p-Dichlorobenzene MR 9 SDWIS / IA3087057 / 2969
2013 Xylenes, Total MR 9 SDWIS / IA3087057 / 2955
2013 trans-1,2-Dichloroethylene MR 9 SDWIS / IA3087057 / 2979
2013 1,1,1-Trichloroethane MR 9 SDWIS / IA3087057 / 2981
2013 Carbon tetrachloride MR 9 SDWIS / IA3087057 / 2982
2013 Trichloroethylene MR 9 SDWIS / IA3087057 / 2984
2013 Tetrachloroethylene MR 9 SDWIS / IA3087057 / 2987
2013 CHLOROBENZENE MR 9 SDWIS / IA3087057 / 2989
2013 Benzene MR 9 SDWIS / IA3087057 / 2990
2013 Ethylbenzene MR 9 SDWIS / IA3087057 / 2992
2013 Styrene MR 9 SDWIS / IA3087057 / 2996
2013 1,2-Dichloroethane MR 9 SDWIS / IA3087057 / 2980
2013 cis-1,2-Dichloroethylene MR 9 SDWIS / IA3087057 / 2380

How WAHPETON WATER SUPPLY Compares

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

Metric WAHPETON WATER SUPPLY Iowa avg Federal benchmark
Total violations 333 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 408 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 WAHPETON WATER SUPPLY water safe to drink? ▼
WAHPETON WATER SUPPLY (PWS ID: IA3087057) has 333 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 408 people using Surface Water sources.
How many people does WAHPETON WATER SUPPLY serve? ▼
WAHPETON WATER SUPPLY serves 408 people in MILFORD, Iowa. It is a Local-owned system using Surface Water water sources with 626 service connections.
What type of violations does WAHPETON WATER SUPPLY have? ▼
WAHPETON WATER SUPPLY has 333 total violations: 1 health-based violations (MCL exceedances or treatment failures), 234 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WAHPETON WATER SUPPLY water? ▼
No PFAS testing data is available for WAHPETON WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does WAHPETON WATER SUPPLY use? ▼
WAHPETON WATER SUPPLY uses Surface Water 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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