WaterVerge

Is Fairbury, IL Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 1 water system PWSID: IL1050350
Overall Score
90.7 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#122 of 891 in Illinois Top 13% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.7/100
waterverge.com
A 90.7/100

Fairbury, IL — Water Quality Report

Fairbury's drinking water received a grade of A (90.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,633 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 3 violations on record, including 1 health-based violation. 1 remains unresolved.

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

What to know about Fairbury's water

Fairbury ranks #122 out of 891 cities in Illinois for water quality, placing it above average in the state.

Fairbury 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.

Quality Breakdown

Water quality score

See methodology →
90.7 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Fairbury, IL water safe to drink?

Use Caution

Fairbury's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 3,633 residents using groundwater (wells).

1
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
3 events
Disaster History

Recent water quality updates for Fairbury

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Fairbury's water quality assessment. Grade: A (90.7/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4116). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

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

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

Contaminants: Gross Alpha, Excl. Radon and U.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

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

TTMR
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Feb 2004 Coliform (TCR) Resolved
Jun 1977 Gross Alpha, Excl. Radon and U Resolved

Flood & environmental risk

Livingston County has experienced 3 federally declared disasters since 1974. 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 Indian Creek, Vermilion River.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4116
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230
SEVERE STORMS & FLOODING
Flood FEMA DR-438

Where does Fairbury's water come from?

Fairbury's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,633 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Indian Creek (river), Vermilion River (river).

What Fairbury residents can do

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.

Monitor alerts during storms

Fairbury's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

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
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

3
Total violations
1
Health-based
1
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

3 Total
1 Active
1 Health-based
2 Resolved
Violations by category
Lead and Copper Rule Revisions
1
Total Coliform Rule
1
Radionuclides and Revised Rad Rule
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Feb 2004 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2004
Jun 1977 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1981
Industrial pollution

Top industrial polluters within 10 miles of Fairbury

Industrial polluters nearby

Reported releases to surface water by facilities near Fairbury, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
QUANEX BUILDING PRODUCTS
Fabricated Metals · QUANEX BUILDING PRODUCTS CORP
CHATSWORTH, IL60921
9.9 mi
PTC TUBULAR PRODUCTS LLC
Primary Metals · PTC ALLIANCE LLC
FAIRBURY, IL61739
1.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

3
Declared disasters
May 2013
Most recent
Flood
Most common type

Livingston County has experienced 3 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4116
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #438

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 1992 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,633
Water Systems
1
Water Source

Where Fairbury's water comes from

Groundwater

Fairbury'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 3,633 people through 1 water system.

Local Hydrology

Water bodies near Fairbury

Fairbury is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Indian Creek
river
Vermilion River
river
Infrastructure

Water systems serving Fairbury

System Name PWSID Population Source
FAIRBURY IL1050350 3,633 GW
Regional Comparison

How Fairbury compares

Full Illinois rankings →

Fairbury's score of 90.7/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Fairbury (this city)
90.7
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Fairbury, IL

Economic Profile
$64,150
Median Income
$145,605
Median Home Value
$797/mo
Median Rent
3.6%
Unemployment
Community
44.3
Median Age
793
People / sq mi
20.4%
College Educated
65.9%
Homeownership
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Frequently asked questions

Is Fairbury, IL tap water safe to drink?

Fairbury's water quality earned a grade of A (90.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #122 out of 891 cities tested in Illinois.

What contaminants are in Fairbury's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 3 violations are on record.

How is Fairbury'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 Fairbury?

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

Where does Fairbury's water come from?

Fairbury's water is sourced from Groundwater. The city has 1 water system serving approximately 3,633 residents.

What health violations has Fairbury's water system had?

Fairbury has 1 health-based violation on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Fairbury's groundwater at risk of contamination?

Fairbury 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 3 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 Fairbury's water compare to other cities?

Fairbury ranks #122 out of 891 cities in Illinois (better than 86% of state cities) and #2071 out of 15744 cities nationally (87th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.