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EVANSDALE WATER WORKS

PWS ID: IA0723027 · EVANSDALE, Iowa 50707-1199

EVANSDALE WATER WORKS serves 4,561 people in EVANSDALE, Iowa using Groundwater water sources. It has 29 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: EVANSDALE WATER WORKS

EVANSDALE WATER WORKS is a local-owned community water system that delivers drinking water to 4,561 residents in EVANSDALE, Iowa (Black Hawk County) through 2,028 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 29 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 16 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 4 violations (MON). 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. EVANSDALE WATER WORKS's 29 violations sit below 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
4,561
Total Violations
29
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,028
County
Black Hawk
School/Daycare
No
MCL Violations
0
Monitoring Violations
16
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 4 2019
Nitrate MR 4 2002
Total Haloacetic Acids (HAA5) MR 4 2014
TTHM MR 4 2014

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/10/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/10/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/10/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/10/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/10/2025 <9 µg/L 9 µg/L Not Detected
6:2 FTS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/10/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/10/2025 <9 µg/L 9 µg/L Not Detected
PFPeA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/10/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/10/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/10/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/10/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/10/2025 <0.006 µg/L 0.006 µg/L 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 EVANSDALE 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 IA0723027 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
2019 Revised Total Coliform Rule MON 4 SDWIS / IA0723027 / 8000
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / IA0723027 / 2456
2014 TTHM MR 4 SDWIS / IA0723027 / 2950
2002 Nitrate MR 4 SDWIS / IA0723027 / 1040

How EVANSDALE WATER WORKS Compares

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

Metric EVANSDALE WATER WORKS Iowa avg Federal benchmark
Total violations 29 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 4,561 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 EVANSDALE WATER WORKS water safe to drink? ▼
EVANSDALE WATER WORKS (PWS ID: IA0723027) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,561 people using Groundwater sources.
How many people does EVANSDALE WATER WORKS serve? ▼
EVANSDALE WATER WORKS serves 4,561 people in EVANSDALE, Iowa. It is a Local-owned system using Groundwater water sources with 2,028 service connections.
What type of violations does EVANSDALE WATER WORKS have? ▼
EVANSDALE WATER WORKS has 29 total violations: 0 health-based violations (MCL exceedances or treatment failures), 16 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in EVANSDALE WATER WORKS water? ▼
No. EVANSDALE WATER WORKS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does EVANSDALE WATER WORKS use? ▼
EVANSDALE 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.

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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.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial