WaterVerge

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 ↓

2K residents served 2 water systems PWSID: IL1410030
Overall Score
83 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#464 of 891 in Illinois Top 42% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83/100
waterverge.com
B+ 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.

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

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.

Quality Breakdown

Water quality score

See methodology →
83 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Davis Junction, IL water safe to drink?

Use Caution

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).

2
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Davis Junction

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Davis Junction's water quality assessment. Grade: B+ (83/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4116). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

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.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

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.

RPTMR
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Apr 2025 Lead and Copper Rule Open

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.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4116
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3230
SEVERE STORMS & FLOODING
Flood FEMA DR-997

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

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

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

2
Total violations
0
Health-based
2
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

2 Total
2 Active
0 Health-based
0 Resolved
Violations by category
Lead and Copper Rule Revisions
1
Lead and Copper Rule
1
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Apr 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Industrial pollution

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
GUNITE CORP
Primary Metals · ACCURIDE CORP
ROCKFORD, IL61104
Manganese1068.8 mi
QUALITY METAL FINISHING CO
Fabricated Metals · NA
BYRON, IL61010
8.6 mi
SWENSON SPREADER LLC
Fabricated Metals · AEBI SCHMIDT NORTH AMERICA
LINDENWOOD, IL61049
5.2 mi
FOREST CITY TECHNOLOGIES - ROCKFORD PLANT
Fabricated Metals · FOREST CITY TECHNOLOGIES
ROCKFORD, IL61102
7.8 mi
CONCENTRIC ROCKFORD INC
Machinery · CONCENTRIC AB
ROCKFORD, IL61104
9.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

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.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

5
Declared disasters
May 2013
Most recent
Flood
Most common type

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.

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
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #438
Apr 1973
SEVERE STORMS & FLOODING
Flood FEMA #373

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 0.0 ppb from 2001 (0.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Davis Junction compares by contaminant

Explore where Davis Junction ranks among all Illinois cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,414
Water Systems
2
Source breakdown
Groundwater
1
Purchased Groundwater
1
Water Source

Where Davis Junction's water comes from

Groundwater

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.

Local Hydrology

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.

Kishwaukee River
river
Infrastructure

Water systems serving Davis Junction

System Name PWSID Population Source
DAVIS JUNCTION IL1410030 2,344 GW
ROLLING MEADOWS-FOXGLOVE IL1410040 70 GWP
Regional Comparison

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.

Davis Junction (this city)
83
Chicago
35.2
Aurora
45.5
Joliet
38.5
Naperville
81.2
Champaign
91.9
Illinois avg
56
City Profile

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.

Economic Profile
$97,788
Median Income
$1,125/mo
Median Rent
6.9%
Unemployment
Community
31.1
Median Age
248
People / sq mi
25.8%
College Educated
94.1%
Homeownership
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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.