Is Davis Junction, IL Tap Water Safe to Drink?
Graded B+, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
83/100
Davis Junction, IL — Water Quality Report
Davis Junction's drinking water received a grade of B+ (83 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,414 residents using groundwater.
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 2 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Davis Junction's water
Davis Junction ranks #464 out of 891 cities in Illinois for water quality, placing it below average in the state.
Davis Junction 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, Davis Junction may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Davis Junction, IL water safe to drink?
Davis Junction's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (83/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 2 water systems serve approximately 2,414 residents using groundwater (wells).
Recent water quality updates for Davis Junction
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Davis Junction's water quality assessment. Grade: B+ (83/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Lead and Copper Rule.
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 Davis Junction's water supply.
Well within EPA limits.
Violation history
Davis Junction's water system has 2 total violations on record, including 0 health-based violations. 2 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Ogle County has experienced 5 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 Kishwaukee River.
Where does Davis Junction's water come from?
Davis Junction's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,414 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Kishwaukee River (river).
What Davis Junction 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.
Davis Junction'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 Davis Junction
Industrial polluters nearby
Reported releases to surface water by facilities near Davis Junction, ranked by pounds discharged annually.
Total reported releases to surface water: 106 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
GUNITE CORP ROCKFORD, IL61104 | Manganese | 106 | 8.8 mi |
QUALITY METAL FINISHING CO BYRON, IL61010 | — | — | 8.6 mi |
SWENSON SPREADER LLC LINDENWOOD, IL61049 | — | — | 5.2 mi |
FOREST CITY TECHNOLOGIES - ROCKFORD PLANT ROCKFORD, IL61102 | — | — | 7.8 mi |
CONCENTRIC ROCKFORD INC ROCKFORD, IL61104 | — | — | 9.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Davis Junction
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.
- PAGEL S PIT3.5 mi
- ACME SOLVENT RECLAIMING INC MORRISTOWN PLANT3.8 mi
- SOUTHEAST ROCKFORD GROUND WATER CONTAMINATION8.1 mi
- INTERSTATE POLLUTION CONTROL INC8.7 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Ogle County has experienced 5 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Davis Junction compares by contaminant
Explore where Davis Junction ranks among all Illinois cities for specific contaminants.
Water source & infrastructure
Where Davis Junction's water comes from
Davis Junction'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 2,414 people through 2 water systems.
Water bodies near Davis Junction
Davis Junction is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Davis Junction
| System Name | PWSID | Population | Source |
|---|---|---|---|
| DAVIS JUNCTION | IL1410030 | 2,344 | GW |
| ROLLING MEADOWS-FOXGLOVE | IL1410040 | 70 | GWP |
How Davis Junction compares
Full Illinois rankings →Davis Junction's score of 83/100 is above the average of 56/100 among major Illinois cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Illinois rankings →About Davis Junction, IL
Wikipedia →Davis Junction is a village in Ogle County, Illinois, United States. The population was 2,512 at the 2020 census. Named for Jeremiah Davis, it is located where the Illinois Railway Rockford Line and the Canadian Pacific Railway Chicago Subdivision intersect along Illinois Route 72.
Learn more about your water
Guides and resources related to Davis Junction's water quality findings.
Explore water quality across Ogle
Frequently asked questions
Is Davis Junction, IL tap water safe to drink?
Davis Junction's water quality earned a grade of B+ (83/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #464 out of 891 cities tested in Illinois.
What contaminants are in Davis Junction's water?
Lead was measured at 0.0 ppb (90th percentile). 2 violations are on record.
How is Davis Junction'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 Davis Junction?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Davis Junction's water come from?
Davis Junction's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,414 residents.
Is Davis Junction's groundwater at risk of contamination?
Davis Junction 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 2 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 Davis Junction's water compare to other cities?
Davis Junction ranks #464 out of 891 cities in Illinois (better than 48% of state cities) and #6649 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.