Is Lakewood, 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 ↓
71.3/100
waterverge.com Lakewood, IL — Water Quality Report
Lakewood's drinking water received a grade of B- (71.3 out of 100), indicating fair water quality. The city's 1 water system serves approximately 4,267 residents using groundwater.
Lead levels were measured at 1.5 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 54 violations on record, including 2 health-based violations. 4 remain unresolved.
What to know about Lakewood's water
Lakewood ranks #724 out of 891 cities in Illinois for water quality, placing it among the lowest-rated in the state.
Lakewood 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.
The system has seen 22 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Lakewood, IL water safe to drink?
Lakewood's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (71.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,267 residents using groundwater (wells).
Recent water quality updates for Lakewood
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Lakewood's water quality assessment. Grade: B- (71.3/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
Contaminants: 1,2,4-Trichlorobenzene, Xylenes, Total, DICHLOROMETHANE.
Federal disaster declaration (FEMA DR-4116). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Lakewood'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
Lakewood's water system has 54 total violations on record, including 2 health-based violations. 4 remain unresolved. 22 violations were issued in the last 5 years.
Flood & environmental risk
McHenry County has experienced 6 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 Fox River, Boone Creek, Fox River (Tailwater).
Where does Lakewood's water come from?
Lakewood's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,267 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Fox River (river), Boone Creek (river), Fox River (Tailwater) (river).
What Lakewood residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lakewood'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.
Lakewood'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 Lakewood
Industrial polluters nearby
Reported releases to surface water by facilities near Lakewood, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
MATHEWS CO CRYSTAL LAKE, IL60012 | — | — | 4.5 mi |
AMPAC FLEXIBLES LLC (PREVIOUSLY FLEXICON INC) CARY, IL60013 | — | — | 8.0 mi |
TRUE VALUE MANUFACTURING CARY, IL60013 | — | — | 7.9 mi |
G & M MANUFACTURING CORP CRYSTAL LAKE, IL60014 | — | — | 3.8 mi |
JOHN CRANE INC CRYSTAL LAKE, IL60014 | — | — | 3.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Lakewood
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- WOODSTOCK MUNICIPAL LANDFILL5.4 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
McHenry County has experienced 6 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Lakewood'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. | 1.5 | 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. | 1.40 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Lakewood compares by contaminant
Explore where Lakewood ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Lakewood's water comes from
Lakewood'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 4,267 people through 1 water system.
Water bodies near Lakewood
Lakewood is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Lakewood
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LAKEWOOD | IL1115760 | 4,267 | GW |
How Lakewood compares
Full Illinois rankings →Lakewood's score of 71.3/100 is above the average of 56/100 among major Illinois cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Illinois rankings →About Lakewood, IL
Wikipedia →The Village of Lakewood is a village in McHenry County, Illinois, United States. It was incorporated as a village on July 10, 1933. Per the 2020 census, the population was 4,283.
Learn more about your water
Guides and resources related to Lakewood's water quality findings.
Explore water quality across Mchenry
Frequently asked questions
Is Lakewood, IL tap water safe to drink?
Lakewood's water quality earned a grade of B- (71.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #724 out of 891 cities tested in Illinois.
What contaminants are in Lakewood's water?
Lead was measured at 1.5 ppb (90th percentile). 54 violations are on record.
How is Lakewood'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 Lakewood?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Lakewood's water come from?
Lakewood's water is sourced from Groundwater. The city has 1 water system serving approximately 4,267 residents.
What health violations has Lakewood's water system had?
Lakewood has 2 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.
Is Lakewood's groundwater at risk of contamination?
Lakewood 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 54 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 Lakewood's water compare to other cities?
Lakewood ranks #724 out of 891 cities in Illinois (better than 19% of state cities) and #10570 out of 15744 cities nationally (33th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.