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Community Water System · PWS IA9709046

Bronson Water Supply

Bronson, Iowa 51007 - drinking water served from groundwater sources to 294 people, tracked in EPA SDWIS and UCMR5.

294
People served
248
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 248 drinking-water violations at Bronson Water Supply, 2% of them health-based - above the Iowa per-system average.

248
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
294
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bronson Water Supply

Bronson Water Supply is a local-owned community water system that delivers drinking water to 294 residents in Bronson, Iowa (Woodbury County) through 125 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 248 total violations for this system , of which 5 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 227 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 44 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. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%).

Bronson Water Supply's 248 violations sit above the Iowa average.

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
294
Total Violations
248
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
125
County
Woodbury
School/Daycare
No
MCL Violations
5
Monitoring Violations
227
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 44 2012
Lead and Copper Rule MR 21 2007
Nitrate MR 8 2001
Chlorine MR 8 2012
Gross Alpha, Excl. Radon and U MR 8 1990
Fluoride MR 6 1989
Coliform (TCR) MCL 5 1999
Benzene MR 4 1995
Carbon tetrachloride MR 4 1995
o-Dichlorobenzene MR 4 1995
p-Dichlorobenzene MR 4 1995
1,1-Dichloroethylene MR 4 1995
trans-1,2-Dichloroethylene MR 4 1995
DICHLOROMETHANE MR 4 1995
Ethylbenzene MR 4 1995
CHLOROBENZENE MR 4 1995
Styrene MR 4 1995
Tetrachloroethylene MR 4 1995
Toluene MR 4 1995
1,2,4-Trichlorobenzene MR 4 1995
Trichloroethylene MR 4 1995
Benzo(a)pyrene MR 4 1995
Dalapon MR 4 1995
Di(2-ethylhexyl) adipate MR 4 1995
Di(2-ethylhexyl) phthalate MR 4 1995
Pentachlorophenol MR 4 1995
2,4,5-TP MR 4 1995
2,4-D MR 4 1995
Picloram MR 4 1995
Xylenes, Total 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 Bronson 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 IA9709046 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
2012 Coliform (TCR) MR 44 SDWIS / IA9709046 / 3100
2012 Chlorine MR 8 SDWIS / IA9709046 / 0999
2007 Lead and Copper Rule MR 21 SDWIS / IA9709046 / 5000
2001 Nitrate MR 8 SDWIS / IA9709046 / 1040
1999 Coliform (TCR) MCL 5 SDWIS / IA9709046 / 3100
1995 Benzene MR 4 SDWIS / IA9709046 / 2990
1995 Carbon tetrachloride MR 4 SDWIS / IA9709046 / 2982
1995 o-Dichlorobenzene MR 4 SDWIS / IA9709046 / 2968
1995 p-Dichlorobenzene MR 4 SDWIS / IA9709046 / 2969
1995 1,1-Dichloroethylene MR 4 SDWIS / IA9709046 / 2977
1995 trans-1,2-Dichloroethylene MR 4 SDWIS / IA9709046 / 2979
1995 DICHLOROMETHANE MR 4 SDWIS / IA9709046 / 2964
1995 Ethylbenzene MR 4 SDWIS / IA9709046 / 2992
1995 CHLOROBENZENE MR 4 SDWIS / IA9709046 / 2989
1995 Styrene MR 4 SDWIS / IA9709046 / 2996

How Bronson Water Supply Compares

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

Metric Bronson Water Supply Iowa avg Federal benchmark
Total violations 248 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 294 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Bronson Water Supply water safe to drink? ▼
Bronson Water Supply (PWS ID: IA9709046) has 248 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 294 people using Groundwater sources.
How many people does Bronson Water Supply serve? ▼
Bronson Water Supply serves 294 people in Bronson, Iowa. It is a Local-owned system using Groundwater water sources with 125 service connections.
What type of violations does Bronson Water Supply have? ▼
Bronson Water Supply has 248 total violations: 5 health-based violations (MCL exceedances or treatment failures), 227 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bronson Water Supply water? ▼
No PFAS testing data is available for Bronson Water Supply under the EPA's UCMR5 monitoring program.
What water source does Bronson Water Supply use? ▼
Bronson 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.