WaterVerge

Is Raleigh, IL Tap Water Safe to Drink?

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

605 residents served 1 water system PWSID: IL1655120
Overall Score
84.8 / 100
Violations
3 active
Last Updated
May 2026
Source
Purchased ground water
#397 of 891 in Illinois Top 36% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.8/100
waterverge.com
B+ 84.8/100

Raleigh, IL — Water Quality Report

Raleigh's drinking water received a grade of B+ (84.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 605 residents using purchased ground 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 4 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 Raleigh's water

Raleigh ranks #397 out of 891 cities in Illinois for water quality, placing it mid-range in the state.

Raleigh purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

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

Quality Breakdown

Water quality score

See methodology →
84.8 out of 100 Grade B+
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
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Raleigh, IL water safe to drink?

Concerns Identified

Raleigh's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 605 residents using groundwater (wells).

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

Recent water quality updates for Raleigh

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Raleigh's water quality assessment. Grade: B+ (84.8/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

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.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Raleigh's water system has 4 total violations on record, including 0 health-based violations. 3 remain unresolved. 1 violation was issued in the last 5 years.

RPTOtherMR
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2012 Consumer Confidence Rule Open
Jul 2004 Coliform (TCR) Resolved
Jul 2000 Consumer Confidence Rule Open

Flood & environmental risk

Saline 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 Saline River.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230

Where does Raleigh's water come from?

Raleigh's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 605 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 Saline River (river).

What Raleigh residents can do

Install a water filter

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

4
Total violations
0
Health-based
3
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

4 Total
3 Active
0 Health-based
1 Resolved
Violations by category
Consumer Confidence Rule
2
Lead and Copper Rule Revisions
1
Total Coliform Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2004
Environmental Risk

Drought conditions

D1 — moderate drought

Saline County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

6.8%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Saline 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 0.0 ppb from 1993 (0.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
605
Water Systems
1
Water Source

Where Raleigh's water comes from

Purchased Groundwater

Raleigh purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Raleigh's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 605 people through 1 water system.

Local Hydrology

Water bodies near Raleigh

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

Middle Fork Saline River
river
Infrastructure

Water systems serving Raleigh

System Name PWSID Population Source
RALEIGH WATER DISTRICT IL1655120 605 GWP
Regional Comparison

How Raleigh compares

Full Illinois rankings →

Raleigh's score of 84.8/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Raleigh (this city)
84.8
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Raleigh, IL

Wikipedia →

Raleigh is a village in Saline County, Illinois, United States. As of the 2020 census, Raleigh had a population of 284.

Economic Profile
$49,861
Median Income
$78,688
Median Home Value
$625/mo
Median Rent
11.9%
Unemployment
Community
56.3
Median Age
47
People / sq mi
8.9%
College Educated
87.2%
Homeownership
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Frequently asked questions

Is Raleigh, IL tap water safe to drink?

Raleigh's water quality earned a grade of B+ (84.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #397 out of 891 cities tested in Illinois.

What contaminants are in Raleigh's water?

Lead was measured at 0.0 ppb (90th percentile). 4 violations are on record.

How is Raleigh'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 Raleigh?

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

Where does Raleigh's water come from?

Raleigh's water is sourced from Purchased ground water. The city has 1 water system serving approximately 605 residents.

Is Raleigh's groundwater at risk of contamination?

Raleigh 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 4 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 Raleigh's water compare to other cities?

Raleigh ranks #397 out of 891 cities in Illinois (better than 55% of state cities) and #5699 out of 15744 cities nationally (64th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Raleigh's small water system affect quality?

Raleigh's system serves approximately 605 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 4 violations on record.