WaterVerge

Is Hudson, IL Tap Water Safe to Drink?

Graded B+, with 5 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: IL1130700
Overall Score
81 / 100
Violations
5 active
Last Updated
May 2026
Source
Purchased surface water
#534 of 891 in Illinois Top 49% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
81/100
waterverge.com
B+ 81/100

Hudson, IL — Water Quality Report

Hudson's drinking water received a grade of B+ (81 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,847 residents using purchased surface water.

Lead levels were measured at 7.5 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 24 violations on record, including 5 health-based violations. 5 remain unresolved.

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

What to know about Hudson's water

Hudson ranks #534 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

Quality Breakdown

Water quality score

See methodology →
81 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 7.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Hudson, IL water safe to drink?

Concerns Identified

Hudson's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,847 residents using surface water (rivers, lakes, or reservoirs).

5
Active Violations
7.5 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Hudson

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hudson's water quality assessment. Grade: B+ (81/100).

Violation
2 drinking water violations recorded

Contaminants: Chloramine, Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Public Notice.

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-373). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Elevated
Detected: 7.5 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Hudson's water system has 24 total violations on record, including 5 health-based violations. 5 remain unresolved. 3 violations were issued in the last 5 years.

MRMONOtherMCL
Most recent violations:
May 2025 Chloramine Resolved
May 2025 Revised Total Coliform Rule Resolved
Sep 2021 Lead and Copper Rule Open
Sep 2020 Public Notice Open
Sep 2020 Public Notice Open

Flood & environmental risk

McLean County has experienced 2 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. Local water sources include Money Creek, Sixmile Creek, Kickapoo Creek, Sugar Creek.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230
SEVERE STORMS & FLOODING
Flood FEMA DR-373

Where does Hudson's water come from?

Hudson's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,847 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Money Creek (river), Sixmile Creek (river), Kickapoo Creek (river), Sugar Creek (river).

What Hudson residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
7.5 ppb
EPA Action Level: 15 ppb · 50% of limit
Safe Level
Compliance Record

Violation summary

24
Total violations
5
Health-based
5
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

24 Total
5 Active
5 Health-based
19 Resolved
Violations by category
Revised Total Coliform Rule
5
Nitrate Rule
5
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Total Coliform Rule
4
Public Notice Rule and Revised PN Rule
3
Sep 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2020 Active
Public Notice
Other Violation 0
Sep 2020 Active
Public Notice
Other Violation 0
Aug 2020 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
May 2025 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved May 2025
May 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2025
Dec 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2019
Oct 2019 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Aug 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2019
Jul 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2019
Jul 2019 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2019
Aug 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2018
Jul 2018 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2018
Apr 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2001
Oct 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1997
Jan 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1994
Jan 1992 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Jan 1993
Feb 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1991
Jan 1986 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Dec 1986
Showing 20 of 24 violations
Industrial pollution

Top industrial polluters within 10 miles of Hudson

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CARGILL INC
Food · CARGILL INC
BLOOMINGTON, IL61701
9.0 mi
BRIDGESTONE AMERICAS OFF ROAD
Plastics and Rubber · BRIDGESTONE AMERICAS INC
NORMAL, IL61761
6.3 mi
VCNA PRAIRIE LLC - YARD 1026
Nonmetallic Mineral Product · VCNA PRAIRIE LLC
BLOOMINGTON, IL61701
8.8 mi
CORTEVA AGRISCIENCE LLC - EL PASO PLANT
Chemicals · CORTEVA INC
EL PASO, IL61738
9.1 mi
AMERICAN BUILDINGS CO EL PASO
Fabricated Metals · NUCOR CORP
EL PASO, IL61738
9.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

McLean County has experienced 2 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3230
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #373

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 7.5 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 7.5 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
1,847
Water Systems
1
Water Source

Where Hudson's water comes from

Purchased Surface Water

Hudson'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 1,847 people through 1 water system.

Local Hydrology

Water bodies near Hudson

Hudson is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Money Creek
river
Sixmile Creek
river
Kickapoo Creek
river
Sugar Creek
river
Infrastructure

Water systems serving Hudson

System Name PWSID Population Source
HUDSON IL1130700 1,847 SWP
Regional Comparison

How Hudson compares

Full Illinois rankings →

Hudson's score of 81/100 is above the average of 56/100 among major Illinois cities. It outscores 7 of 10 nearby cities.

Hudson (this city)
81
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Hudson, IL

Wikipedia →

Hudson is a village in McLean County, Illinois, United States. The population was 1,753 at the 2020 census. It is part of the Bloomington–Normal Metropolitan Statistical Area.

Economic Profile
$99,511
Median Income
$210,358
Median Home Value
$1,167/mo
Median Rent
2.1%
Unemployment
Community
36
Median Age
1,049
People / sq mi
42.6%
College Educated
98.6%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Hudson, IL tap water safe to drink?

Hudson's water quality earned a grade of B+ (81/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #534 out of 891 cities tested in Illinois.

What contaminants are in Hudson's water?

Lead was measured at 7.5 ppb (90th percentile). 24 violations are on record.

How is Hudson'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 Hudson?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Hudson's water come from?

Hudson's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,847 residents.

What health violations has Hudson's water system had?

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

How does Hudson's water compare to other cities?

Hudson ranks #534 out of 891 cities in Illinois (better than 40% of state cities) and #7633 out of 15744 cities nationally (52th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Hudson's small water system affect quality?

Hudson's system serves approximately 1,847 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 24 violations on record.