PlainWater
StatesIowa

FAIRFAX WATER SUPPLY

PWS ID: IA5731032 · FAIRFAX, Iowa 52228

FAIRFAX WATER SUPPLY serves 2,828 people in FAIRFAX, Iowa using Groundwater water sources. It has 32 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: FAIRFAX WATER SUPPLY

FAIRFAX WATER SUPPLY is a local-owned community water system that delivers drinking water to 2,828 residents in FAIRFAX, Iowa (Linn County) through 1,400 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 32 total violations for this system , of which 4 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 22 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 11 violations (MR). 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. FAIRFAX WATER SUPPLY's 32 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
2,828
Total Violations
32
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,400
County
Linn
School/Daycare
No
MCL Violations
4
Monitoring Violations
22
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MR 11 2015
Revised Total Coliform Rule MON 4 2019
Nitrate MR 4 2022
Nitrite MCL 4 2004
Gross Alpha, Excl. Radon and U MR 3 2004

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 FAIRFAX 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 IA5731032 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
2022 Nitrate MR 4 SDWIS / IA5731032 / 1040
2019 Revised Total Coliform Rule MON 4 SDWIS / IA5731032 / 8000
2015 Combined Radium (-226 and -228) MR 11 SDWIS / IA5731032 / 4010
2004 Nitrite MCL 4 SDWIS / IA5731032 / 1041
2004 Gross Alpha, Excl. Radon and U MR 3 SDWIS / IA5731032 / 4000

How FAIRFAX WATER SUPPLY Compares

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

Metric FAIRFAX WATER SUPPLY Iowa avg Federal benchmark
Total violations 32 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 2,828 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 FAIRFAX WATER SUPPLY water safe to drink?
FAIRFAX WATER SUPPLY (PWS ID: IA5731032) has 32 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,828 people using Groundwater sources.
How many people does FAIRFAX WATER SUPPLY serve?
FAIRFAX WATER SUPPLY serves 2,828 people in FAIRFAX, Iowa. It is a Local-owned system using Groundwater water sources with 1,400 service connections.
What type of violations does FAIRFAX WATER SUPPLY have?
FAIRFAX WATER SUPPLY has 32 total violations: 4 health-based violations (MCL exceedances or treatment failures), 22 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in FAIRFAX WATER SUPPLY water?
No PFAS testing data is available for FAIRFAX WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does FAIRFAX WATER SUPPLY use?
FAIRFAX 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

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