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DELOIT MUNI WATER SUPPLY

PWS ID: IA2421025 · DELOIT, Iowa 51441

DELOIT MUNI WATER SUPPLY serves 250 people in DELOIT, Iowa using Groundwater water sources. It has 80 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DELOIT MUNI WATER SUPPLY

DELOIT MUNI WATER SUPPLY is a local-owned community water system that delivers drinking water to 250 residents in DELOIT, Iowa (Crawford County) through 118 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 80 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 63 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 13 violations (Other). 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. DELOIT MUNI WATER SUPPLY's 80 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
250
Total Violations
80
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
118
County
Crawford
School/Daycare
No
MCL Violations
0
Monitoring Violations
63
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 13 2024
Revised Total Coliform Rule MON 8 2019
Coliform (TCR) MR 8 2008
Antimony, Total MR 6 1997
Nitrate MR 5 1997
Gross Alpha, Excl. Radon and U MR 4 1991
Nitrite MR 4 1994
1,2,4-Trichlorobenzene MR 4 1995
LASSO MR 4 1995
Chlorine MR 4 2007
Selenium MR 2 1997
Barium MR 2 1997
Cadmium MR 2 1997
Chromium MR 2 1997
Fluoride MR 2 1997
Mercury MR 2 1997
Thallium, Total MR 2 1997
Lead and Copper Rule MR 2 2023

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 DELOIT MUNI 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 IA2421025 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
2024 Consumer Confidence Rule Other 13 SDWIS / IA2421025 / 7000
2023 Lead and Copper Rule MR 2 SDWIS / IA2421025 / 5000
2019 Revised Total Coliform Rule MON 8 SDWIS / IA2421025 / 8000
2008 Coliform (TCR) MR 8 SDWIS / IA2421025 / 3100
2007 Chlorine MR 4 SDWIS / IA2421025 / 0999
1997 Antimony, Total MR 6 SDWIS / IA2421025 / 1074
1997 Nitrate MR 5 SDWIS / IA2421025 / 1040
1997 Selenium MR 2 SDWIS / IA2421025 / 1045
1997 Barium MR 2 SDWIS / IA2421025 / 1010
1997 Cadmium MR 2 SDWIS / IA2421025 / 1015
1997 Chromium MR 2 SDWIS / IA2421025 / 1020
1997 Fluoride MR 2 SDWIS / IA2421025 / 1025
1997 Mercury MR 2 SDWIS / IA2421025 / 1035
1997 Thallium, Total MR 2 SDWIS / IA2421025 / 1085
1995 1,2,4-Trichlorobenzene MR 4 SDWIS / IA2421025 / 2378

How DELOIT MUNI WATER SUPPLY Compares

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

Metric DELOIT MUNI WATER SUPPLY Iowa avg Federal benchmark
Total violations 80 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 250 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 DELOIT MUNI WATER SUPPLY water safe to drink? ▼
DELOIT MUNI WATER SUPPLY (PWS ID: IA2421025) has 80 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does DELOIT MUNI WATER SUPPLY serve? ▼
DELOIT MUNI WATER SUPPLY serves 250 people in DELOIT, Iowa. It is a Local-owned system using Groundwater water sources with 118 service connections.
What type of violations does DELOIT MUNI WATER SUPPLY have? ▼
DELOIT MUNI WATER SUPPLY has 80 total violations: 0 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DELOIT MUNI WATER SUPPLY water? ▼
No PFAS testing data is available for DELOIT MUNI WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does DELOIT MUNI WATER SUPPLY use? ▼
DELOIT MUNI 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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