WaterVerge

Is Greenville, IL Tap Water Safe to Drink?

Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

8K residents served 1 water system PWSID: IL0050050
Overall Score
88.4 / 100
Violations
7 active
Last Updated
May 2026
Source
Surface water
#217 of 891 in Illinois Top 22% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.4/100
waterverge.com
A- 88.4/100

Greenville, IL — Water Quality Report

Greenville's drinking water received a grade of A- (88.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 8,310 residents using surface water.

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 27 violations on record, including 5 health-based violations. 7 remain unresolved.

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

What to know about Greenville's water

Greenville ranks #217 out of 891 cities in Illinois for water quality, placing it above average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Quality Breakdown

Water quality score

See methodology →
88.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.4/45
B
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
4/5
B
Water source: Surface water.
Water Safety

Is Greenville, IL water safe to drink?

Concerns Identified

Greenville's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 8,310 residents using surface water (rivers, lakes, or reservoirs).

7
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
1 event
Disaster History

Recent water quality updates for Greenville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Greenville's water quality assessment. Grade: A- (88.4/100).

Violation
2 drinking water violations recorded

Contaminants: Simazine, Atrazine.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

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 Greenville's water supply.

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

Well within EPA limits.

Violation history

Greenville's water system has 27 total violations on record, including 5 health-based violations. 7 remain unresolved. 3 violations were issued in the last 5 years.

MROtherTTMCL
Most recent violations:
Jul 2025 Simazine Resolved
Jul 2025 Atrazine Resolved
Jan 2024 Lead and Copper Rule Open
Oct 2009 Consumer Confidence Rule Open
Jun 2009 Chlorite Resolved

Flood & environmental risk

Bond 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 Shoal Creek.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230

Where does Greenville's water come from?

Greenville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 8,310 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Shoal Creek (river).

What Greenville residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Greenville'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
PFAS Testing

Forever chemicals overview

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

Violation summary

27
Total violations
5
Health-based
7
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

27 Total
7 Active
5 Health-based
20 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
13
Public Notice Rule and Revised PN Rule
4
Total Coliform Rule
4
Synthetic Organic Chemicals
2
Lead and Copper Rule
1
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Public Notice
Other Violation 0
Jul 2008 Active
Public Notice
Other Violation 0
Apr 2008 Active
Public Notice
Other Violation 0
Apr 2008 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jun 2009 Resolved
Chlorite
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2009
Jan 2009 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Mar 2009
Jan 2008 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2008
Jan 2008 Resolved
Chlorite
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2008
Oct 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2007
Oct 2007 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2007
Jul 2007 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2007
Jul 2007 Resolved
CARBON, TOTAL
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2007
Jul 2007 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2007
May 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2007
Apr 2007 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2007
Showing 20 of 27 violations
Industrial pollution

Top industrial polluters within 10 miles of Greenville

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CARLISLE CONSTRUCTION MATERIALS LLC
Plastics and Rubber · CARLISLE COS INC
GREENVILLE, IL62246
0.7 mi
FCI GREENVILLE
Other · US DEPARTMENT OF JUSTICE
GREENVILLE, IL62246
1.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Bond 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
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 increased by 14.0 ppb from 1992 (0.0 ppb) to 2025 (14.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
8,310
Water Systems
1
Water Source

Where Greenville's water comes from

Surface Water

Greenville's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 8,310 people through 1 water system.

Local Hydrology

Water bodies near Greenville

Greenville is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Shoal Creek
river
Infrastructure

Water systems serving Greenville

System Name PWSID Population Source
GREENVILLE IL0050050 8,310 SW
Regional Comparison

How Greenville compares

Full Illinois rankings →

Greenville's score of 88.4/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Greenville (this city)
88.4
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Greenville, IL

Economic Profile
$49,635
Median Income
$117,633
Median Home Value
$672/mo
Median Rent
2.7%
Unemployment
Community
37.4
Median Age
436
People / sq mi
22.8%
College Educated
52.5%
Homeownership
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Frequently asked questions

Is Greenville, IL tap water safe to drink?

Greenville's water quality earned a grade of A- (88.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #217 out of 891 cities tested in Illinois.

What contaminants are in Greenville's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 27 violations are on record.

How is Greenville'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 Greenville?

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

Where does Greenville's water come from?

Greenville's water is sourced from Surface water. The city has 1 water system serving approximately 8,310 residents.

What health violations has Greenville's water system had?

Greenville has 5 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

How does Greenville's water compare to other cities?

Greenville ranks #217 out of 891 cities in Illinois (better than 76% of state cities) and #3457 out of 15744 cities nationally (78th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.