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 ↓
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.
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.
Water quality score
See methodology →Is Astoria, IL water safe to drink?
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).
Recent water quality updates for Astoria
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Astoria's water quality assessment. Grade: A- (88.1/100).
Federal disaster declaration (FEMA DR-4819). Flood event — may have impacted local water infrastructure.
Contaminants: TTHM.
Federal disaster declaration (FEMA DR-4461). Flood event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
Contaminants: Lead and Copper Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Astoria's water supply.
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.
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.
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
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Astoria's water.
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.
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
VERMONT FOUNDRY CO VERMONT, IL61484 | — | — | 6.4 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
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.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Astoria compares by contaminant
Explore where Astoria ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Astoria's water comes from
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.
Water systems serving Astoria
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SOUTH FULTON WATER DISTRICT | IL0570010 | 1,430 | GWP |
| ASTORIA | IL0570050 | 1,375 | GW |
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.
Nearby cities
View Illinois rankings →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.
Learn more about your water
Guides and resources related to Astoria's water quality findings.
Explore water quality across Fulton
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.