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Community Water System · PWS IA2503003

Adel Municipal Water Works

Adel, Iowa 50003 - drinking water served from groundwater sources to 6,461 people, tracked in EPA SDWIS and UCMR5.

6,461
People served
68
EPA violations
5
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 68 drinking-water violations at Adel Municipal Water Works, 7% of them health-based - below the Iowa per-system average.

68
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
6,461
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Adel Municipal Water Works

Adel Municipal Water Works is a local-owned community water system that delivers drinking water to 6,461 residents in Adel, Iowa (Dallas County) through 2,190 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 5 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 38 monitoring and reporting violations are on file. The most recent violation on record dates to 2001.

The most frequently cited contaminant at this system is Arsenic, recorded in 9 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Adel Municipal Water Works's 68 violations sit below 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
6,461
Total Violations
68
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,190
County
Dallas
School/Daycare
No
MCL Violations
5
Monitoring Violations
38
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 9 2001
Lead and Copper Rule MR 5 1992
Barium MR 4 1988
Chromium MR 4 1988
Fluoride MR 4 1988
Mercury MR 4 1988
Selenium MR 4 1988
Cadmium MR 4 1988
Coliform (TCR) MCL 4 1997
Fluoride MCL 1 1982

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 4/23/2024 <2.00 ppt 2.00 ppt Not Detected
PFDA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 4/23/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 4/23/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 4/23/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 4/23/2024 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/23/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/23/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 4/23/2024 <4.00 ppt 4.00 ppt Not Detected
ADONA 4/23/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 10/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpA 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 10/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 10/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 10/16/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 10/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxS 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 10/16/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 10/16/2024 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 10/16/2024 <7.00 ppt 7.00 ppt Not Detected
PFOA 10/16/2024 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 10/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 10/16/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 10/16/2024 <20.00 ppt 20.00 ppt Not Detected
PFTA 10/16/2024 <8.00 ppt 8.00 ppt Not Detected

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 Adel Municipal Water Works.

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 IA2503003 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
2001 Arsenic MR 9 SDWIS / IA2503003 / 1005
1997 Coliform (TCR) MCL 4 SDWIS / IA2503003 / 3100
1992 Lead and Copper Rule MR 5 SDWIS / IA2503003 / 5000
1988 Barium MR 4 SDWIS / IA2503003 / 1010
1988 Chromium MR 4 SDWIS / IA2503003 / 1020
1988 Fluoride MR 4 SDWIS / IA2503003 / 1025
1988 Mercury MR 4 SDWIS / IA2503003 / 1035
1988 Selenium MR 4 SDWIS / IA2503003 / 1045
1988 Cadmium MR 4 SDWIS / IA2503003 / 1015
1982 Fluoride MCL 1 SDWIS / IA2503003 / 1025

How Adel Municipal Water Works Compares

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

Metric Adel Municipal Water Works Iowa avg Federal benchmark
Total violations 68 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 6,461 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 Adel Municipal Water Works water safe to drink?
Adel Municipal Water Works (PWS ID: IA2503003) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 6,461 people using Groundwater sources.
How many people does Adel Municipal Water Works serve?
Adel Municipal Water Works serves 6,461 people in Adel, Iowa. It is a Local-owned system using Groundwater water sources with 2,190 service connections.
What type of violations does Adel Municipal Water Works have?
Adel Municipal Water Works has 68 total violations: 5 health-based violations (MCL exceedances or treatment failures), 38 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Adel Municipal Water Works water?
No. Adel Municipal Water Works was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Adel Municipal Water Works use?
Adel Municipal Water Works 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.