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Community Water System · PWS IA5715093

Cedar Rapids Water Department

Cedar Rapids, Iowa 52402 - drinking water served from surface water sources to 141,831 people, tracked in EPA SDWIS and UCMR5.

141,831
People served
35
EPA violations
12
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 35 drinking-water violations at Cedar Rapids Water Department, 34% of them health-based - below the Iowa per-system average.

35
Total EPA violations on record
34%
Health-based (MCL / treatment failure)
141,831
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cedar Rapids Water Department

Cedar Rapids Water Department is a local-owned community water system that delivers drinking water to 141,831 residents in Cedar Rapids, Iowa (Linn County) through 56,370 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 35 total violations for this system , of which 12 (34%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Interim Enhanced Surface Water Treatment Rule, recorded in 12 violations (TT, 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%).

Cedar Rapids Water Department's 35 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
141,831
Total Violations
35
Health-Based Violations
12
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
56,370
County
Linn
School/Daycare
No
MCL Violations
0
Monitoring Violations
17
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 12 2009
Nitrate MR 5 1986
Revised Total Coliform Rule MON 4 2017
Antimony, Total MR 3 1992
Lead and Copper Rule MR 3 1991
Fluoride MR 2 1986

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 7/17/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/17/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/17/2023 <20.00 ppt 20.00 ppt Not Detected
PFDA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/17/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/17/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/17/2023 <8.00 ppt 8.00 ppt Not Detected
PFPeS 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 7/17/2023 <2.00 ppt 2.00 ppt Not Detected
NEtFOSAA 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFMBA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/17/2023 <20.00 ppt 20.00 ppt Not Detected
PFHpS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFTA 7/17/2023 <8.00 ppt 8.00 ppt Not Detected
PFOA 7/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFTrDA 7/17/2023 <7.00 ppt 7.00 ppt Not Detected
PFBS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/17/2023 <3.00 ppt 3.00 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 Cedar Rapids Water Department.

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 IA5715093 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
2017 Revised Total Coliform Rule MON 4 SDWIS / IA5715093 / 8000
2009 Interim Enhanced Surface Water Treatment Rule TT 12 SDWIS / IA5715093 / 0300
1992 Antimony, Total MR 3 SDWIS / IA5715093 / 1074
1991 Lead and Copper Rule MR 3 SDWIS / IA5715093 / 5000
1986 Nitrate MR 5 SDWIS / IA5715093 / 1040
1986 Fluoride MR 2 SDWIS / IA5715093 / 1025

How Cedar Rapids Water Department Compares

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

Metric Cedar Rapids Water Department Iowa avg Federal benchmark
Total violations 35 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 141,831 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 Cedar Rapids Water Department water safe to drink?
Cedar Rapids Water Department (PWS ID: IA5715093) has 35 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 141,831 people using Surface Water sources.
How many people does Cedar Rapids Water Department serve?
Cedar Rapids Water Department serves 141,831 people in Cedar Rapids, Iowa. It is a Local-owned system using Surface Water water sources with 56,370 service connections.
What type of violations does Cedar Rapids Water Department have?
Cedar Rapids Water Department has 35 total violations: 12 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cedar Rapids Water Department water?
No. Cedar Rapids Water Department was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Cedar Rapids Water Department use?
Cedar Rapids Water Department uses Surface Water 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.