WaterVerge

Is Fairmount, IL Tap Water Safe to Drink?

Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

690 residents served 1 water system PWSID: IL1830250
Overall Score
89.8 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#163 of 891 in Illinois Top 17% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.8/100
waterverge.com
A- 89.8/100

Fairmount, IL — Water Quality Report

Fairmount's drinking water received a grade of A- (89.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 690 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 12 violations on record, including 0 health-based violations. 3 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Fairmount's water

Fairmount ranks #163 out of 891 cities in Illinois for water quality, placing it above average in the state.

Fairmount relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Fairmount may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
89.8 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Fairmount, IL water safe to drink?

Concerns Identified

Fairmount's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 690 residents using groundwater (wells).

3
Active Violations
0.0 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Fairmount

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Fairmount's water quality assessment. Grade: A- (89.8/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Fairmount's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Fairmount's water system has 12 total violations on record, including 0 health-based violations. 3 remain unresolved. 1 violation was issued in the last 5 years.

OtherMR
Most recent violations:
Jul 2024 Consumer Confidence Rule Open
Jul 2015 Consumer Confidence Rule Open
Oct 2010 Chlorine Resolved
Apr 2009 Chlorine Resolved
Aug 2008 Coliform (TCR) Resolved

Flood & environmental risk

Vermilion County has experienced 1 federally declared disaster since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Middle Fork Vermilion River Above Oakwood.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230

Where does Fairmount's water come from?

Fairmount's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 690 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Middle Fork Vermilion River Above Oakwood (river).

What Fairmount residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Fairmount's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

12
Total violations
0
Health-based
3
Active / unresolved
Jul 2024
Most recent violation
Compliance Record

Violations & advisories

12 Total
3 Active
0 Health-based
9 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Total Coliform Rule
4
Consumer Confidence Rule
2
Radionuclides and Revised Rad Rule
1
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2010 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Apr 2009 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2009
Aug 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2008
Jul 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2008
Feb 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2007
Jan 2007 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2007
Dec 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2003
Mar 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1998
Jun 1977 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1981
Site context

Superfund sites within 10 miles of Fairmount

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Vermilion County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 10.0 ppb from 1993 (10.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
690
Water Systems
1
Water Source

Where Fairmount's water comes from

Groundwater

Fairmount's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 690 people through 1 water system.

Local Hydrology

Water bodies near Fairmount

Fairmount is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Middle Fork Vermilion River Above Oakwood
river
Infrastructure

Water systems serving Fairmount

System Name PWSID Population Source
FAIRMOUNT IL1830250 690 GW
Regional Comparison

How Fairmount compares

Full Illinois rankings →

Fairmount's score of 89.8/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Fairmount (this city)
89.8
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Fairmount, IL

Wikipedia →

Fairmount is a village in Vance Township, Vermilion County, Illinois, United States. It is part of the Danville, Illinois Metropolitan Statistical Area. As of the 2020 census, Fairmount had a population of 612.

Economic Profile
$68,125
Median Income
$92,255
Median Home Value
$736/mo
Median Rent
5.7%
Unemployment
Community
35.7
Median Age
681
People / sq mi
12.2%
College Educated
82.2%
Homeownership
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Frequently asked questions

Is Fairmount, IL tap water safe to drink?

Fairmount's water quality earned a grade of A- (89.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #163 out of 891 cities tested in Illinois.

What contaminants are in Fairmount's water?

Lead was measured at 0.0 ppb (90th percentile). 12 violations are on record.

How is Fairmount's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Fairmount?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Fairmount's water come from?

Fairmount's water is sourced from Groundwater. The city has 1 water system serving approximately 690 residents.

Is Fairmount's groundwater at risk of contamination?

Fairmount uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 12 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Fairmount's water compare to other cities?

Fairmount ranks #163 out of 891 cities in Illinois (better than 82% of state cities) and #2611 out of 15744 cities nationally (83th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Fairmount's small water system affect quality?

Fairmount's system serves approximately 690 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 12 violations on record.