WaterVerge

Is Littleton, IL Tap Water Safe to Drink?

Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

1K residents served 1 water system PWSID: IL1695100
Overall Score
83.8 / 100
Violations
7 active
Last Updated
May 2026
Source
Purchased ground water
#432 of 891 in Illinois Top 40% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.8/100
waterverge.com
B+ 83.8/100

Littleton, IL — Water Quality Report

Littleton's drinking water received a grade of B+ (83.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,000 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 30 violations on record, including 9 health-based violations. 7 remain unresolved.

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

What to know about Littleton's water

Littleton ranks #432 out of 891 cities in Illinois for water quality, placing it mid-range in the state.

Littleton 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, Littleton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
83.8 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Littleton, IL water safe to drink?

Concerns Identified

Littleton's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,000 residents using groundwater (wells).

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

Recent water quality updates for Littleton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Littleton's water quality assessment. Grade: B+ (83.8/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS AND FLOODING

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

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

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.50 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Littleton's water system has 30 total violations on record, including 9 health-based violations. 7 remain unresolved. 1 violation was issued in the last 5 years.

TTMRMCLOther
Most recent violations:
Jan 2021 Lead and Copper Rule Resolved
Dec 2020 Lead and Copper Rule Open
Sep 2014 Coliform (TCR) Resolved
Aug 2009 Coliform (TCR) Resolved
Jun 2009 Coliform (TCR) Resolved

Flood & environmental risk

Schuyler 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 Littleton's water come from?

Littleton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,000 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Littleton residents can do

Install a water filter

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

Littleton'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
Copper (90th percentile)
Inorganic
Over Limit
2.50 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

30
Total violations
9
Health-based
7
Active / unresolved
Jan 2021
Most recent violation
Compliance Record

Violations & advisories

30 Total
7 Active
9 Health-based
23 Resolved
Violations by category
Total Coliform Rule
17
Lead and Copper Rule
9
Public Notice Rule and Revised PN Rule
2
Radionuclides and Revised Rad Rule
1
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Nov 2006 Active
Public Notice
Other Violation 0
Nov 2006 Active
Public Notice
Other Violation 0
Jan 2000 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1999 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1999 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2021 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Jun 2021
Sep 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2014
Aug 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2009
Jun 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2009
Nov 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2008
Nov 2008 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2008
Oct 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2008
Jul 2006 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Sep 2005 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2005
Apr 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 2004
Aug 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2000
Jul 1999 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1999
Jan 1999 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1999
Showing 20 of 30 violations
Environmental Risk

Flood & disaster history

7
Declared disasters
Sep 2019
Most recent
Flood
Most common type

Schuyler 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
Apr 1979
SEVERE STORMS & FLOODING
Flood FEMA #583
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #438

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 2.50 1.3 mg/L Inorganic Over Limit
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).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.620 mg/L from 1993 (1.880 mg/L) to 2021 (2.500 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
1,000
Water Systems
1
Water Source

Where Littleton's water comes from

Purchased Groundwater

Littleton 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 Littleton'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 1,000 people through 1 water system.

Infrastructure

Water systems serving Littleton

System Name PWSID Population Source
CAMDEN-LITTLETON WATER COMMISSION IL1695100 1,000 GWP
Regional Comparison

How Littleton compares

Full Illinois rankings →

Littleton's score of 83.8/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Littleton (this city)
83.8
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Littleton, IL

Wikipedia →

Littleton is a village in Schuyler County, Illinois, United States. The population was 139 at the 2020 census.

Economic Profile
$56,042
Median Income
$90,423
Median Home Value
0%
Unemployment
Community
53.8
Median Age
33
People / sq mi
19.6%
College Educated
88.7%
Homeownership
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Frequently asked questions

Is Littleton, IL tap water safe to drink?

Littleton's water quality earned a grade of B+ (83.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #432 out of 891 cities tested in Illinois.

What contaminants are in Littleton's water?

Lead was measured at 0.0 ppb (90th percentile). 30 violations are on record.

How is Littleton'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 Littleton?

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

Where does Littleton's water come from?

Littleton's water is sourced from Purchased ground water. The city has 1 water system serving approximately 1,000 residents.

What health violations has Littleton's water system had?

Littleton has 9 health-based violations on record. The most recent violation was recorded in January 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Is Littleton's groundwater at risk of contamination?

Littleton 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 30 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 Littleton's water compare to other cities?

Littleton ranks #432 out of 891 cities in Illinois (better than 52% of state cities) and #6279 out of 15744 cities nationally (60th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Littleton's small water system affect quality?

Littleton's system serves approximately 1,000 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 30 violations on record.