WaterVerge

Is Astoria, 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 ↓

3K residents served 2 water systems PWSID: IL0570010
Overall Score
88.1 / 100
Violations
6 active
Last Updated
May 2026
Source
Purchased ground water
#229 of 891 in Illinois Top 23% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
88.1/100
waterverge.com
A- 88.1/100

Astoria, IL — Water Quality Report

Astoria's drinking water received a grade of A- (88.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,805 residents using purchased ground water.

Lead levels were measured at 2.8 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 13 violations on record, including 1 health-based violation. 6 remain unresolved.

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

What to know about Astoria's water

Astoria ranks #229 out of 891 cities in Illinois for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
88.1 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.1/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Astoria, IL water safe to drink?

Concerns Identified

Astoria's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,805 residents using groundwater (wells).

6
Active Violations
2.8 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Astoria

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Astoria's water quality assessment. Grade: A- (88.1/100).

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

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

Violation
1 drinking water violation recorded

Contaminants: TTHM.

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

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: Lead and Copper Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 2.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Astoria's water system has 13 total violations on record, including 1 health-based violation. 6 remain unresolved. 1 violation was issued in the last 5 years.

MROtherMCL
Most recent violations:
Oct 2023 TTHM Resolved
Jul 2013 Consumer Confidence Rule Open
Jan 2013 Lead and Copper Rule Open
Jan 2013 Lead and Copper Rule Open
Aug 2000 Coliform (TCR) Resolved

Flood & environmental risk

Fulton County has experienced 9 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, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODNG
Flood FEMA DR-4819
SEVERE STORMS AND FLOODING
Flood FEMA DR-4461
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4116

Where does Astoria's water come from?

Astoria's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,805 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Astoria residents can do

Install a water filter

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

Astoria'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
2.8 ppb
EPA Action Level: 15 ppb · 19% of limit
Safe Level
Compliance Record

Violation summary

13
Total violations
1
Health-based
6
Active / unresolved
Oct 2023
Most recent violation
Compliance Record

Violations & advisories

13 Total
6 Active
1 Health-based
7 Resolved
Violations by category
Total Coliform Rule
5
Lead and Copper Rule
4
Stage 2 Disinfectants and Disinfection Byproducts Rule
1
Consumer Confidence Rule
1
Radionuclides and Revised Rad Rule
1
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jan 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Aug 2000 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2000
Aug 2000 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2000
Sep 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1998
Oct 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1997
Jul 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1994
Jun 1977 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1981
Industrial pollution

Top industrial polluters within 10 miles of Astoria

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
VERMONT FOUNDRY CO
Primary Metals · NA
VERMONT, IL61484
6.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

9
Declared disasters
Sep 2024
Most recent
Flood
Most common type

Fulton County has experienced 9 federally declared disasters since 1973. 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
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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.8 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 8.2 ppb from 1993 (11.0 ppb) to 2025 (2.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
2,805
Water Systems
2
Source breakdown
Purchased Groundwater
1
Groundwater
1
Water Source

Where Astoria's water comes from

Purchased Groundwater

Astoria 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 Astoria'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 2,805 people through 2 water systems.

Infrastructure

Water systems serving Astoria

System Name PWSID Population Source
SOUTH FULTON WATER DISTRICT IL0570010 1,430 GWP
ASTORIA IL0570050 1,375 GW
Regional Comparison

How Astoria compares

Full Illinois rankings →

Astoria's score of 88.1/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.

Astoria (this city)
88.1
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

About Astoria, IL

Wikipedia →

Astoria is an incorporated town in Fulton County, Illinois, United States. The population was 929 at the 2020 census. It was originally laid out as the town of Washington in 1836, relocated as Vienna in 1837, and renamed as Astoria in 1839. The name honors fur titan John Jacob Astor, who supposedly owned land in or near the town.

Economic Profile
$48,365
Median Income
$66,946
Median Home Value
$602/mo
Median Rent
4.7%
Unemployment
Community
32.7
Median Age
743
People / sq mi
13%
College Educated
71.5%
Homeownership
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Frequently asked questions

Is Astoria, IL tap water safe to drink?

Astoria's water quality earned a grade of A- (88.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #229 out of 891 cities tested in Illinois.

What contaminants are in Astoria's water?

Lead was measured at 2.8 ppb (90th percentile). 13 violations are on record.

How is Astoria'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 Astoria?

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

Where does Astoria's water come from?

Astoria's water is sourced from Purchased ground water. The city has 2 water systems serving approximately 2,805 residents.

What health violations has Astoria's water system had?

Astoria has 1 health-based violation on record. The most recent violation was recorded in October 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Astoria's groundwater at risk of contamination?

Astoria 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 13 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 Astoria's water compare to other cities?

Astoria ranks #229 out of 891 cities in Illinois (better than 74% of state cities) and #3637 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.