Is Forrest, IL Tap Water Safe to Drink?
Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
87.8/100
waterverge.com Forrest, IL — Water Quality Report
Forrest's drinking water received a grade of A- (87.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,225 residents using groundwater.
Lead levels were measured at 2.6 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 3 violations on record, including 0 health-based violations. 1 remains unresolved.
What to know about Forrest's water
Forrest ranks #251 out of 891 cities in Illinois for water quality, placing it mid-range in the state.
Forrest 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.
As a small community water system, Forrest may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Forrest, IL water safe to drink?
Forrest's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (87.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,225 residents using groundwater (wells).
Recent water quality updates for Forrest
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Forrest's water quality assessment. Grade: A- (87.8/100).
Federal disaster declaration (FEMA DR-4116). Flood event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
Contaminants: Chlorine.
Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.
Contaminants: Gross Alpha, Excl. Radon and U.
Key contaminant findings
Based on the most recent EPA sampling data for Forrest's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Forrest's water system has 3 total violations on record, including 0 health-based violations. 1 remain unresolved.
Flood & environmental risk
Livingston County has experienced 3 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 North Fork Vermilion River, Indian Creek.
Where does Forrest's water come from?
Forrest's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,225 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include North Fork Vermilion River (river), Indian Creek (river).
What Forrest residents can do
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.
Forrest'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 Forrest
Industrial polluters nearby
Reported releases to surface water by facilities near Forrest, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
QUANEX BUILDING PRODUCTS CHATSWORTH, IL60921 | — | — | 4.3 mi |
PTC TUBULAR PRODUCTS LLC FAIRBURY, IL61739 | — | — | 4.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Livingston County has experienced 3 federally declared disasters since 1974. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Forrest's water supply, we recommend the following filter types.
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. | 2.6 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 2.67 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Forrest compares by contaminant
Explore where Forrest ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Forrest's water comes from
Forrest'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 1,225 people through 1 water system.
Water bodies near Forrest
Forrest is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Forrest
| System Name | PWSID | Population | Source |
|---|---|---|---|
| FORREST | IL1050450 | 1,225 | GW |
How Forrest compares
Full Illinois rankings →Forrest's score of 87.8/100 is above the average of 56/100 among major Illinois cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Illinois rankings →About Forrest, IL
Wikipedia →Forrest is a village in Livingston County, Illinois, United States. The population was 1,041 at the 2020 census.
Learn more about your water
Guides and resources related to Forrest's water quality findings.
Explore water quality across Livingston
Frequently asked questions
Is Forrest, IL tap water safe to drink?
Forrest's water quality earned a grade of A- (87.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #251 out of 891 cities tested in Illinois.
What contaminants are in Forrest's water?
Lead was measured at 2.6 ppb (90th percentile). 3 violations are on record.
How is Forrest'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 Forrest?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Forrest's water come from?
Forrest's water is sourced from Groundwater. The city has 1 water system serving approximately 1,225 residents.
Is Forrest's groundwater at risk of contamination?
Forrest 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 3 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 Forrest's water compare to other cities?
Forrest ranks #251 out of 891 cities in Illinois (better than 72% of state cities) and #3834 out of 15744 cities nationally (76th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Forrest's small water system affect quality?
Forrest's system serves approximately 1,225 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 3 violations on record.