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MANSON WATER SUPPLY

PWS ID: IA1351027 · MANSON, Iowa 50563-0430

MANSON WATER SUPPLY serves 1,709 people in MANSON, Iowa using Groundwater water sources. It has 213 recorded EPA violations, including 19 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MANSON WATER SUPPLY

MANSON WATER SUPPLY is a local-owned community water system that delivers drinking water to 1,709 residents in MANSON, Iowa (Calhoun County) through 845 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 213 total violations for this system , of which 19 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 124 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Fluoride, recorded in 19 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. MANSON WATER SUPPLY's 213 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
1,709
Total Violations
213
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
845
County
Calhoun
School/Daycare
No
MCL Violations
19
Monitoring Violations
124
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MCL 19 1985
Groundwater Rule Other 13 2020
Fluoride MR 11 1999
Mercury MR 6 1994
1,2-Dichloropropane MR 6 1990
cis-1,2-Dichloroethylene MR 6 1990
DICHLOROMETHANE MR 6 1990
o-Dichlorobenzene MR 6 1990
Xylenes, Total MR 6 1990
CHLOROBENZENE MR 6 1990
Toluene MR 6 1990
Styrene MR 6 1990
trans-1,2-Dichloroethylene MR 6 1990
Carbon tetrachloride MR 6 1989
Trichloroethylene MR 6 1989
p-Dichlorobenzene MR 6 1989
1,1,2-Trichloroethane MR 6 1990
Benzene MR 6 1989
1,1-Dichloroethylene MR 6 1989
1,2-Dichloroethane MR 6 1989
Consumer Confidence Rule Other 4 2025
1,1,1-Trichloroethane MR 4 1989
Ethylbenzene MR 4 1990
Tetrachloroethylene MR 3 1990

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 MANSON 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 IA1351027 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
2025 Consumer Confidence Rule Other 4 SDWIS / IA1351027 / 7000
2020 Groundwater Rule Other 13 SDWIS / IA1351027 / 0700
1999 Fluoride MR 11 SDWIS / IA1351027 / 1025
1994 Mercury MR 6 SDWIS / IA1351027 / 1035
1990 1,2-Dichloropropane MR 6 SDWIS / IA1351027 / 2983
1990 cis-1,2-Dichloroethylene MR 6 SDWIS / IA1351027 / 2380
1990 DICHLOROMETHANE MR 6 SDWIS / IA1351027 / 2964
1990 o-Dichlorobenzene MR 6 SDWIS / IA1351027 / 2968
1990 Xylenes, Total MR 6 SDWIS / IA1351027 / 2955
1990 CHLOROBENZENE MR 6 SDWIS / IA1351027 / 2989
1990 Toluene MR 6 SDWIS / IA1351027 / 2991
1990 Styrene MR 6 SDWIS / IA1351027 / 2996
1990 trans-1,2-Dichloroethylene MR 6 SDWIS / IA1351027 / 2979
1990 1,1,2-Trichloroethane MR 6 SDWIS / IA1351027 / 2985
1990 Ethylbenzene MR 4 SDWIS / IA1351027 / 2992

How MANSON WATER SUPPLY Compares

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

Metric MANSON WATER SUPPLY Iowa avg Federal benchmark
Total violations 213 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 19 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 1,709 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 MANSON WATER SUPPLY water safe to drink? ▼
MANSON WATER SUPPLY (PWS ID: IA1351027) has 213 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,709 people using Groundwater sources.
How many people does MANSON WATER SUPPLY serve? ▼
MANSON WATER SUPPLY serves 1,709 people in MANSON, Iowa. It is a Local-owned system using Groundwater water sources with 845 service connections.
What type of violations does MANSON WATER SUPPLY have? ▼
MANSON WATER SUPPLY has 213 total violations: 19 health-based violations (MCL exceedances or treatment failures), 124 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MANSON WATER SUPPLY water? ▼
No PFAS testing data is available for MANSON WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does MANSON WATER SUPPLY use? ▼
MANSON WATER SUPPLY 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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