WaterVerge

Is Braidwood, IL Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 1 water system PWSID: IL1970150
Overall Score
85.2 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#378 of 891 in Illinois Top 35% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.2/100
waterverge.com
A- 85.2/100

Braidwood, IL — Water Quality Report

Braidwood's drinking water received a grade of A- (85.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 6,194 residents using groundwater.

Lead levels were measured at 1.4 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 35 violations on record, including 14 health-based violations. 6 remain unresolved.

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

What to know about Braidwood's water

Braidwood ranks #378 out of 891 cities in Illinois for water quality, placing it mid-range in the state.

Braidwood 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
85.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.4 ppb (90th percentile).
Contaminants
16.2/20
B
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Braidwood, IL water safe to drink?

Concerns Identified

Braidwood's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 6,194 residents using groundwater (wells).

6
Active Violations
1.4 ppb
Lead (90th %ile)
1 compound
PFAS Detected
6 events
Disaster History

Recent water quality updates for Braidwood

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Braidwood's water quality assessment. Grade: A- (85.2/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODNG

Federal disaster declaration (FEMA DR-4819). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 86.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Braidwood's water system has 35 total violations on record, including 14 health-based violations. 6 remain unresolved. 4 violations were issued in the last 5 years.

RPTOtherMRMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Feb 2024 Public Notice Open
Feb 2024 Public Notice Open
Jul 2022 Consumer Confidence Rule Open
Jan 2020 Diquat Resolved

Flood & environmental risk

Will County has experienced 6 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 Kankakee River, Des Plaines River, Mazon River, Kankakee R.

SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODNG
Flood FEMA DR-4819
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4116
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230

Where does Braidwood's water come from?

Braidwood's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 6,194 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Kankakee River (river), Des Plaines River (river), Mazon River (river), Kankakee R (river).

What Braidwood residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Braidwood'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.

Monitor alerts during storms

Braidwood'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
1.4 ppb
EPA Action Level: 15 ppb · 9% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
86.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Above state screening
86.0 µg/L
State screening level: 60 µg/L · +20% over limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

35
Total violations
14
Health-based
6
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

35 Total
6 Active
14 Health-based
29 Resolved
Violations by category
Total Coliform Rule
14
Radionuclides and Revised Rad Rule
11
Public Notice Rule and Revised PN Rule
2
Consumer Confidence Rule
2
Synthetic Organic Chemicals
2
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Feb 2024 Active
Public Notice
Other Violation 0
Feb 2024 Active
Public Notice
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
Diquat
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Endothall
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Apr 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2015
Apr 2015 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2015
Jul 2012 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2012
Jul 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2012
Aug 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2000
Feb 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1999
Jan 1999 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1999
Jan 1999 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1999
Sep 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1996
Aug 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1996
Aug 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1996
Showing 20 of 35 violations
Industrial pollution

Top industrial polluters within 10 miles of Braidwood

Industrial polluters nearby

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

Total reported releases to surface water: 510,737 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
EXXONMOBIL OIL CORP JOLIET REFINERY
Petroleum · EXXON MOBIL CORP
CHANNAHON, IL60410
Nitrate compounds (water dissociable; reportable only when in aqueous solution)510,7369.8 mi
AMERICAS STYRENICS LLC - JOLIET SITE
Chemicals · AMERICAS STYRENICS LLC
CHANNAHON, IL60410
Zinc compounds19.5 mi
DIVERSIFIED CPC INTERNATIONAL INC
Chemicals · SUMITOMO CORP OF AMERICAS
CHANNAHON, IL60410
9.5 mi
POLYNT COMPOSITES USA INC.
Chemicals · POLYNT COMPOSITES USA INC
MORRIS, IL60450
8.9 mi
DDP SPECIALTY ELECTRONICS MATERIAL US - WILMINGTON IL
Chemicals · DUPONT DE NEMOURS INC
WILMINGTON, IL60481
5.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Braidwood

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

6
Declared disasters
Sep 2024
Most recent
Flood
Most common type

Will County has experienced 6 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2024
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODNG
Flood FEMA #4819
May 2013
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4116
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Mar 1985
SEVERE STORMS & FLOODING
Flood FEMA #735
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #438

Recommended water filters

Based on contaminants detected in Braidwood's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.4 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 86.000 HI µg/L PFAS 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
6,194
Water Systems
1
Water Source

Where Braidwood's water comes from

Groundwater

Braidwood'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 6,194 people through 1 water system.

Local Hydrology

Water bodies near Braidwood

Braidwood is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Kankakee River
river
Des Plaines River
river
Mazon River
river
Kankakee R
river
Infrastructure

Water systems serving Braidwood

System Name PWSID Population Source
BRAIDWOOD IL1970150 6,194 GW
Regional Comparison

How Braidwood compares

Full Illinois rankings →

Braidwood's score of 85.2/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Braidwood (this city)
85.2
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Braidwood, IL

Economic Profile
$76,683
Median Income
$189,226
Median Home Value
$1,148/mo
Median Rent
3.5%
Unemployment
Community
44
Median Age
449
People / sq mi
17.4%
College Educated
80.5%
Homeownership
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Frequently asked questions

Is Braidwood, IL tap water safe to drink?

Braidwood's water quality earned a grade of A- (85.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #378 out of 891 cities tested in Illinois.

What contaminants are in Braidwood's water?

Lead was measured at 1.4 ppb (90th percentile). 1 PFAS compound was detected. 35 violations are on record.

How is Braidwood'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 Braidwood?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Braidwood's water come from?

Braidwood's water is sourced from Groundwater. The city has 1 water system serving approximately 6,194 residents.

What health violations has Braidwood's water system had?

Braidwood has 14 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. 6 violations remain unresolved.

Is Braidwood's groundwater at risk of contamination?

Braidwood 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 35 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 Braidwood's water compare to other cities?

Braidwood ranks #378 out of 891 cities in Illinois (better than 58% of state cities) and #5439 out of 15744 cities nationally (66th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.