WaterVerge

Is Waverly, 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 ↓

1K residents served 1 water system PWSID: IL1370450
Overall Score
90.1 / 100
Violations
1 active
Last Updated
May 2026
Source
Surface water
#154 of 891 in Illinois Top 15% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.1/100
waterverge.com
A 90.1/100

Waverly, IL — Water Quality Report

Waverly's drinking water received a grade of A (90.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,194 residents using 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 39 violations on record, including 22 health-based violations. 1 remains unresolved.

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

What to know about Waverly's water

Waverly ranks #154 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.

Hexavalent chromium (chromium-6) was detected at 2.17 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

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

Quality Breakdown

Water quality score

See methodology →
90.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
16.2/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Waverly, IL water safe to drink?

Use Caution

Waverly's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,194 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Waverly

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Waverly's water quality assessment. Grade: A (90.1/100).

Violation
2 drinking water violations recorded

Contaminants: Chloramine, Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4461). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

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

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Waverly's water system has 39 total violations on record, including 22 health-based violations. 1 remain unresolved. 2 violations were issued in the last 5 years.

MRMONMCLTT
Most recent violations:
Apr 2021 Chloramine Resolved
Apr 2021 Revised Total Coliform Rule Resolved
Nov 2011 Interim Enhanced Surface Water Treatment Rule Resolved
Oct 2011 Interim Enhanced Surface Water Treatment Rule Resolved
Apr 2010 TTHM Resolved

Flood & environmental risk

Morgan County has experienced 7 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4461
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4116
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230

Where does Waverly's water come from?

Waverly's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,194 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Waverly 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

Waverly'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
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
2.17 µg/L
CA MCL (no federal MCL): 10 µg/L · 22% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
86.8 µg/L
EPA Health Ref Level: 1,500 µg/L · 6% of limit
DetectedUCMR 3 Data
Vanadium
Inorganic
Detected
2.25 µg/L
EPA Short-term HA: 21 µg/L · 11% of limit
DetectedUCMR 3 Data
Molybdenum
Inorganic
Detected
1.30 µg/L
EPA Lifetime HA: 40 µg/L · 3% of limit
DetectedUCMR 3 Data
Compliance Record

Violation summary

39
Total violations
22
Health-based
1
Active / unresolved
Apr 2021
Most recent violation
Compliance Record

Violations & advisories

39 Total
1 Active
22 Health-based
38 Resolved
Violations by category
Surface Water Treatment Rule
19
Inorganic Chemicals
6
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
2
Total Coliform Rule
2
Active
Compliance Violation
Monitoring 0
Apr 2021 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2021
Apr 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2021
Nov 2011 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2011
Oct 2011 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2011
Apr 2010 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2010
Jan 2010 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2010
Oct 2009 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2009
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
Apr 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 2007
Mar 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Mar 2007
Feb 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 2007
Jan 2007 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jan 2007
Dec 2006 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 2006
Nov 2006 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 2006
Oct 2006 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Oct 2006
Sep 2006 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 2006
Aug 2006 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Aug 2006
Jul 2006 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jul 2006
Showing 20 of 39 violations
Environmental Risk

Flood & disaster history

7
Declared disasters
Sep 2019
Most recent
Flood
Most common type

Morgan County has experienced 7 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4461
May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4116
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #997
Mar 1985
SEVERE STORMS & FLOODING
Flood FEMA #735
Apr 1979
SEVERE STORMS & FLOODING
Flood FEMA #583

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
Surface Water
Operator
Local Government
Population Served
1,194
Water Systems
1
Water Source

Where Waverly's water comes from

Surface Water

Waverly'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 1,194 people through 1 water system.

Infrastructure

Water systems serving Waverly

System Name PWSID Population Source
WAVERLY IL1370450 1,194 SW
Regional Comparison

How Waverly compares

Full Illinois rankings →

Waverly's score of 90.1/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Waverly (this city)
90.1
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Waverly, IL

Economic Profile
$52,375
Median Income
$89,880
Median Home Value
$716/mo
Median Rent
2.7%
Unemployment
Community
41.7
Median Age
558
People / sq mi
19.7%
College Educated
77.4%
Homeownership
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Frequently asked questions

Is Waverly, IL tap water safe to drink?

Waverly's water quality earned a grade of A (90.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #154 out of 891 cities tested in Illinois.

What contaminants are in Waverly's water?

Lead was measured at 0.0 ppb (90th percentile). 39 violations are on record.

How is Waverly'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 Waverly?

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

Where does Waverly's water come from?

Waverly's water is sourced from Surface water. The city has 1 water system serving approximately 1,194 residents.

What health violations has Waverly's water system had?

Waverly has 22 health-based violations on record. The most recent violation was recorded in April 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Waverly's water compare to other cities?

Waverly ranks #154 out of 891 cities in Illinois (better than 83% of state cities) and #2415 out of 15744 cities nationally (85th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Waverly's small water system affect quality?

Waverly's system serves approximately 1,194 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 39 violations on record.