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Community Water System · PWS IA7383045

Shenandoah Water Dept

Shenandoah, Iowa 51601 - drinking water served from groundwater sources to 4,925 people, tracked in EPA SDWIS and UCMR5.

4,925
People served
232
EPA violations
12
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 232 drinking-water violations at Shenandoah Water Dept, 5% of them health-based - above the Iowa per-system average.

232
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
4,925
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shenandoah Water Dept

Shenandoah Water Dept is a local-owned community water system that delivers drinking water to 4,925 residents in Shenandoah, Iowa (Page County) through 2,305 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 232 total violations for this system , of which 12 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 116 monitoring and reporting violations are on file. The most recent violation on record dates to 1998.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 violations (MCL, health-based). 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%).

Shenandoah Water Dept's 232 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
4,925
Total Violations
232
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,305
County
Page
School/Daycare
No
MCL Violations
12
Monitoring Violations
116
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 1993
CHLOROBENZENE MR 9 1991
cis-1,2-Dichloroethylene MR 9 1991
Ethylbenzene MR 9 1991
o-Dichlorobenzene MR 9 1991
Styrene MR 9 1991
Tetrachloroethylene MR 9 1991
Toluene MR 9 1991
trans-1,2-Dichloroethylene MR 9 1991
1,1,2-Trichloroethane MR 9 1991
Xylenes, Total MR 9 1991
1,2-Dichloropropane MR 9 1991
DICHLOROMETHANE MR 9 1991
Nitrate MR 8 1998

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFUnA 6/6/2023 <2.00 ppt 2.00 ppt Not Detected
PFOS 6/6/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/6/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/6/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 6/6/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/6/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 6/6/2023 <8.00 ppt 8.00 ppt Not Detected
ADONA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 6/6/2023 <7.00 ppt 7.00 ppt Not Detected
NFDHA 6/6/2023 <20.00 ppt 20.00 ppt Not Detected
11Cl-PF3OUdS 6/6/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 6/6/2023 <2.00 ppt 2.00 ppt Not Detected
PFHpS 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/6/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/6/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/6/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/6/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 6/6/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/6/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 6/6/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 12/5/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 12/5/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 12/5/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 12/5/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 12/5/2023 <2.00 ppt 2.00 ppt Not Detected
PFDA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 12/5/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 12/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 12/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 12/5/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 12/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 12/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 12/5/2023 <4.00 ppt 4.00 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 Shenandoah Water Dept.

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 IA7383045 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
1998 Nitrate MR 8 SDWIS / IA7383045 / 1040
1993 Coliform (TCR) MCL 12 SDWIS / IA7383045 / 3100
1991 CHLOROBENZENE MR 9 SDWIS / IA7383045 / 2989
1991 cis-1,2-Dichloroethylene MR 9 SDWIS / IA7383045 / 2380
1991 Ethylbenzene MR 9 SDWIS / IA7383045 / 2992
1991 o-Dichlorobenzene MR 9 SDWIS / IA7383045 / 2968
1991 Styrene MR 9 SDWIS / IA7383045 / 2996
1991 Tetrachloroethylene MR 9 SDWIS / IA7383045 / 2987
1991 Toluene MR 9 SDWIS / IA7383045 / 2991
1991 trans-1,2-Dichloroethylene MR 9 SDWIS / IA7383045 / 2979
1991 1,1,2-Trichloroethane MR 9 SDWIS / IA7383045 / 2985
1991 Xylenes, Total MR 9 SDWIS / IA7383045 / 2955
1991 1,2-Dichloropropane MR 9 SDWIS / IA7383045 / 2983
1991 DICHLOROMETHANE MR 9 SDWIS / IA7383045 / 2964

How Shenandoah Water Dept Compares

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

Metric Shenandoah Water Dept Iowa avg Federal benchmark
Total violations 232 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 4,925 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 Shenandoah Water Dept water safe to drink? ▼
Shenandoah Water Dept (PWS ID: IA7383045) has 232 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,925 people using Groundwater sources.
How many people does Shenandoah Water Dept serve? ▼
Shenandoah Water Dept serves 4,925 people in Shenandoah, Iowa. It is a Local-owned system using Groundwater water sources with 2,305 service connections.
What type of violations does Shenandoah Water Dept have? ▼
Shenandoah Water Dept has 232 total violations: 12 health-based violations (MCL exceedances or treatment failures), 116 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shenandoah Water Dept water? ▼
No. Shenandoah Water Dept was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Shenandoah Water Dept use? ▼
Shenandoah Water Dept 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.

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.