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WaterVerge

Water quality report · updated Jul 2026

Is Buncombe, 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 ↓

0 contaminants over a legal limit
0.0 ppb lead, 90th percentile · low
2 unresolved violations
2K people served by 1 water system

PWSID IL1815100 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 78.1 / 100

#612 of 882Illinois cities
How we grade →

01The verdict: is Buncombe water safe?

Buncombe's tap water meets most EPA standards but has areas that warrant attention. With a grade of B (78.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,365 residents using surface water (rivers, lakes, or reservoirs).

The concern

2 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 0.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

6 violations in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Buncombe's drinking water received a grade of B (78.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,365 residents using purchased surface water.

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 8 violations on record, including 5 health-based violations. 2 remain unresolved.

Buncombe ranks #612 out of 882 cities in Illinois for water quality, placing it below average in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection. As a small community water system, Buncombe may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities. The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

How the 78.1/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
32.1 / 45C
Lead & CopperLead at 0.0 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
5 / 10D
Source RiskWater source: Purchased surface water.
4 / 5B

02What's in Buncombe's water

Every contaminant flagged in Buncombe, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

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.

03Buncombe's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 8 violations on record, including 5 health-based violations. 2 remain unresolved.

8 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

5 health-based in 10 yrs 1 monitoring & paperwork 1 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Buncombe's water quality assessment. Grade: B (78.1/100).
Violation1 drinking water violation recordedContaminants: Lead and Copper Rule.Open
Violation2 drinking water violations recorded2 health-based. Contaminants: CARBON, TOTAL, TTHM.Resolved
Violation2 drinking water violations recorded2 health-based. Contaminants: TTHM, CARBON, TOTAL.Resolved
DisasterHURRICANE KATRINA EVACUATIONFederal disaster declaration (FEMA DR-3230). Hurricane event — may have impacted local water infrastructure.
DisasterSEVERE STORMS & FLOODINGFederal disaster declaration (FEMA DR-373). Flood event — may have impacted local water infrastructure.
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 0 ppb1994 — 0 ppb1995 — 0 ppb1998 — 0 ppb2001 — 0 ppb2004 — 0 ppb2007 — 0 ppb2010 — 0 ppb2013 — 0 ppb2016 — 0 ppb2019 — 1.7 ppb2022 — 0 ppb2023 — 0 ppb2024 — 0 ppb2025 — 0 ppb0199319982007201620232025

Down 0 ppb since 1993. Latest reading: 0 ppb (2025) — 0% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Buncombe's water comes from

Buncombe's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Purchased Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Wholesale supplier

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

2,365 people

Residents served across Buncombe's service area.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by local government ownership and serves approximately 2,365 people through 1 water system.

System namePWSIDPopulationSource
LICK CREEK PWD IL1815100 2,365 Purchased Surface Water

Water bodies near Buncombe

Cache River · river

As a surface-water system, these water bodies may directly influence Buncombe's drinking water supply.

05Pressure on Buncombe's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Industrial discharge

Present — monitored

1 facility within 10 miles reported 0 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.

GENERAL DYNAMICS ORDNANCE & TACTICAL SYSTEMS INC BFP AREA 0 lb · 7.9 mi

Flood & storm history

Occasional

2 federal disaster declarations on record for Johnson County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

HURRICANE KATRINA EVACUATION Sep 2005 · DR-3230
SEVERE STORMS & FLOODING Apr 1973 · DR-373

06How Buncombe compares

Scores for nearby Illinois cities on one line, with the average marked.

Naperville
81.2 · B+
Buncombe (this city)
78.1 · B
Aurora
45.5 · D
Joliet
38.5 · F
Rockford
38.4 · F
Chicago
35.2 · F

dashed line = Illinois average (55/100)

Buncombe scores 78.1/100above the Illinois average of 55/100. It outscores 7 of 10 nearby cities. Full Illinois rankings →

Union water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Buncombe's water — not generic advice.

Extra protection

A basic carbon filter still helps

Buncombe's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Buncombe alerts

We refresh EPA data monthly and surface new violations, advisories, and boil-water notices for your county on this page.

All water alerts →

Frequently asked questions

Is Buncombe, IL tap water safe to drink?

Buncombe's water quality earned a grade of B (78.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #612 out of 882 cities tested in Illinois.

What contaminants are in Buncombe's water?

Lead was measured at 0.0 ppb (90th percentile). 8 violations are on record.

How is Buncombe'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 Buncombe?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Buncombe's water come from?

Buncombe's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,365 residents.

What health violations has Buncombe's water system had?

Buncombe has 5 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

How does Buncombe's water compare to other cities?

Buncombe ranks #612 out of 882 cities in Illinois (better than 31% of state cities) and #8694 out of 15382 cities nationally (44th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Buncombe's small water system affect quality?

Buncombe's system serves approximately 2,365 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 8 violations on record.

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About Buncombe, IL: Median household income $56,563 · median age 25.5 · 75.2% homeowners · 12.9% college educated. Service area: 1 ZIP code across Union.
Show ZIP codes 62912
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.