WaterVerge

Is Neoga, IL Tap Water Safe to Drink?

Graded B+, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: IL0350150
Overall Score
82.2 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#495 of 891 in Illinois Top 45% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.2/100
waterverge.com
B+ 82.2/100

Neoga, IL — Water Quality Report

Neoga's drinking water received a grade of B+ (82.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,636 residents using purchased surface water.

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 49 violations on record, including 32 health-based violations. 4 remain unresolved.

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

What to know about Neoga's water

Neoga ranks #495 out of 891 cities in Illinois for water quality, placing it below 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.

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

Quality Breakdown

Water quality score

See methodology →
82.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
33.2/45
C
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Neoga, IL water safe to drink?

Concerns Identified

Neoga's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,636 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Neoga

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Neoga's water quality assessment. Grade: B+ (82.2/100).

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

1 health-based. Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-438). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Neoga's water system has 49 total violations on record, including 32 health-based violations. 4 remain unresolved. 4 violations were issued in the last 5 years.

OtherMCLTTMR
Most recent violations:
Jul 2023 Consumer Confidence Rule Open
Jul 2022 Consumer Confidence Rule Open
Aug 2021 Revised Total Coliform Rule Resolved
Jan 2021 Interim Enhanced Surface Water Treatment Rule Resolved
Apr 2017 TTHM Resolved

Flood & environmental risk

Cumberland County has experienced 2 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230
SEVERE STORMS & FLOODING
Flood FEMA DR-438

Where does Neoga's water come from?

Neoga's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,636 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Neoga residents can do

Install a water filter

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

49
Total violations
32
Health-based
4
Active / unresolved
Jul 2023
Most recent violation
Compliance Record

Violations & advisories

49 Total
4 Active
32 Health-based
45 Resolved
2 SNC
Violations by category
Surface Water Treatment Rule
27
Inorganic Chemicals
6
Consumer Confidence Rule
3
Stage 1 Disinfectants and Disinfection Byproducts Rule
3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
2
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Aug 2021 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Aug 2021
Jan 2021 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jan 2021
Apr 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2017
Jan 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2017
Jan 2011 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2011
Mar 2008 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Mar 2008
Feb 2008 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 2008
Jan 2008 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jan 2008
Dec 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 2007
Nov 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 2007
Oct 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Oct 2007
Sep 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 2007
Aug 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Aug 2007
Jul 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jul 2007
Jun 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 2007
May 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved May 2007
Showing 20 of 49 violations
Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Cumberland County has experienced 2 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

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
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 1993 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,636
Water Systems
1
Water Source

Where Neoga's water comes from

Purchased Surface Water

Neoga'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 1,636 people through 1 water system.

Infrastructure

Water systems serving Neoga

System Name PWSID Population Source
NEOGA IL0350150 1,636 SWP
Regional Comparison

How Neoga compares

Full Illinois rankings →

Neoga's score of 82.2/100 is above the average of 56/100 among major Illinois cities. It outscores 8 of 10 nearby cities.

Neoga (this city)
82.2
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Neoga, IL

Economic Profile
$65,313
Median Income
$106,667
Median Home Value
$663/mo
Median Rent
1.7%
Unemployment
Community
43.2
Median Age
351
People / sq mi
24%
College Educated
72.2%
Homeownership
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Frequently asked questions

Is Neoga, IL tap water safe to drink?

Neoga's water quality earned a grade of B+ (82.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #495 out of 891 cities tested in Illinois.

What contaminants are in Neoga's water?

Lead was measured at 0.0 ppb (90th percentile). 49 violations are on record.

How is Neoga'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 Neoga?

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

Where does Neoga's water come from?

Neoga's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,636 residents.

What health violations has Neoga's water system had?

Neoga has 32 health-based violations on record. The most recent violation was recorded in July 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Neoga's water compare to other cities?

Neoga ranks #495 out of 891 cities in Illinois (better than 44% of state cities) and #7127 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Neoga's small water system affect quality?

Neoga's system serves approximately 1,636 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 49 violations on record.