B78/100
FAIRFAX WATER SUPPLY — Water Quality Report 2026
Serving 2,828 people · Iowa
Water Source
Groundwater
County
—
System ID
IA5731032
Violations
7
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.53 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – June 30, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About FAIRFAX WATER SUPPLY
Is FAIRFAX WATER SUPPLY water safe to drink?
FAIRFAX WATER SUPPLY water receives a grade of B (78/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has FAIRFAX WATER SUPPLY detected?
2 contaminants were tested in FAIRFAX WATER SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does FAIRFAX WATER SUPPLY have any EPA violations?
Yes, FAIRFAX WATER SUPPLY has 7 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MON, MCL. 1 are health-based violations.
How many people does FAIRFAX WATER SUPPLY serve?
FAIRFAX WATER SUPPLY serves approximately 2,828 people, Iowa. The system provides water to 1 community: Fairfax.
What type of water does FAIRFAX WATER SUPPLY provide?
FAIRFAX WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA5731032.
How does FAIRFAX WATER SUPPLY compare to other utilities in Iowa?
FAIRFAX WATER SUPPLY scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.