Bone Gap, IL Tap Water Quality 2026

Water quality report for Bone Gap, IL — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Bone Gap's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Bone Gap PWSID: IL0470100 Updated: 2026 Q2

✅

No federal limits exceeded on record

Lead is 12.20 ppb, 81% of the action level and no violations are open. PFAS has never been sampled at this system.

Bone Gap earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 12.20 ppb — 81% of the federal action level

PFAS never sampled at this system

105 violations since 2015, 0 health-based

No violations currently open

Bone Gap's lead level vs. all Illinois community water systems

0 ppb5 ppb10 ppb15 ppb

Lead level: 12.20 ppb — 81% of the federal action level

✓ Lower lead than 4% of Illinois utilities

Population Served

171

~149 connections

Water Source

Groundwater

Purchased groundwater from another system — SDWIS source code GWP

Active Violations

105 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

81% of EPA action level

12.20 ppb

Action level: 15 ppb

The 90th-percentile lead result is 12.20 ppb, 81% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

Contaminant	Type	Measured	Limit	Period	Status
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2026	Resolved
Chlorine	MONITORING AND REPORTING	—	4.0 mg/L	2026	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2025	Unaddressed
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2025	Resolved
Chlorine	MONITORING AND REPORTING	—	4.0 mg/L	2025	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2025	Archived
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2025	Archived
Revised Total Coliform Rule	MONITORING FAILURE	—	—	2024	Resolved
Chlorine	MONITORING AND REPORTING	—	4.0 mg/L	2024	Resolved
Endrin	MONITORING AND REPORTING	—	0.002 mg/L	2023–2025	Archived
BHC-GAMMA	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
Methoxychlor	MONITORING AND REPORTING	—	0.04 mg/L	2023–2025	Archived
Toxaphene	MONITORING AND REPORTING	—	0.003 mg/L	2023–2025	Archived
Dalapon	MONITORING AND REPORTING	—	0.2 mg/L	2023–2025	Archived
Diquat	MONITORING AND REPORTING	—	0.02 mg/L	2023–2025	Archived
Endothall	MONITORING AND REPORTING	—	0.1 mg/L	2023–2025	Archived
Di(2-ethylhexyl) adipate	MONITORING AND REPORTING	—	0.4 mg/L	2023–2025	Archived
OXAMYL	MONITORING AND REPORTING	—	0.2 mg/L	2023–2025	Archived
Simazine	MONITORING AND REPORTING	—	0.004 mg/L	2023–2025	Archived
Di(2-ethylhexyl) phthalate	MONITORING AND REPORTING	—	0.006 mg/L	2023–2025	Archived
Picloram	MONITORING AND REPORTING	—	0.5 mg/L	2023–2025	Archived
Dinoseb	MONITORING AND REPORTING	—	0.007 mg/L	2023–2025	Archived
Hexachlorocyclopentadiene	MONITORING AND REPORTING	—	0.05 mg/L	2023–2025	Archived
Aldicarb sulfoxide	MONITORING AND REPORTING	—	—	2023–2025	Archived
Aldicarb sulfone	MONITORING AND REPORTING	—	—	2023–2025	Archived
Carbofuran	MONITORING AND REPORTING	—	0.04 mg/L	2023–2025	Archived
Aldicarb	MONITORING AND REPORTING	—	—	2023–2025	Archived
Atrazine	MONITORING AND REPORTING	—	0.003 mg/L	2023–2025	Archived
LASSO	MONITORING AND REPORTING	—	—	2023–2025	Archived
Heptachlor	MONITORING AND REPORTING	—	0.0004 mg/L	2023–2025	Archived
Heptachlor epoxide	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2023–2025	Archived
2,4,5-TP	MONITORING AND REPORTING	—	0.05 mg/L	2023–2025	Archived
HEXACHLOROBENZENE	MONITORING AND REPORTING	—	0.001 mg/L	2023–2025	Archived
Benzo(a)pyrene	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
Pentachlorophenol	MONITORING AND REPORTING	—	0.001 mg/L	2023–2025	Archived
Total Polychlorinated Biphenyls (PCB)	MONITORING AND REPORTING	—	0.0005 mg/L	2023–2025	Archived
1,2-DIBROMO-3-CHLOROPROPANE	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
ETHYLENE DIBROMIDE	MONITORING AND REPORTING	—	0.00005 mg/L	2023–2025	Archived
Chlordane	MONITORING AND REPORTING	—	0.002 mg/L	2023–2025	Archived
Endrin	MONITORING AND REPORTING	—	0.002 mg/L	2023–2025	Archived
BHC-GAMMA	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
Methoxychlor	MONITORING AND REPORTING	—	0.04 mg/L	2023–2025	Archived
Toxaphene	MONITORING AND REPORTING	—	0.003 mg/L	2023–2025	Archived
Dalapon	MONITORING AND REPORTING	—	0.2 mg/L	2023–2025	Archived
Diquat	MONITORING AND REPORTING	—	0.02 mg/L	2023–2025	Archived
Endothall	MONITORING AND REPORTING	—	0.1 mg/L	2023–2025	Archived
Di(2-ethylhexyl) adipate	MONITORING AND REPORTING	—	0.4 mg/L	2023–2025	Archived
OXAMYL	MONITORING AND REPORTING	—	0.2 mg/L	2023–2025	Archived
Simazine	MONITORING AND REPORTING	—	0.004 mg/L	2023–2025	Archived
Di(2-ethylhexyl) phthalate	MONITORING AND REPORTING	—	0.006 mg/L	2023–2025	Archived
Picloram	MONITORING AND REPORTING	—	0.5 mg/L	2023–2025	Archived
Dinoseb	MONITORING AND REPORTING	—	0.007 mg/L	2023–2025	Archived
Hexachlorocyclopentadiene	MONITORING AND REPORTING	—	0.05 mg/L	2023–2025	Archived
Aldicarb sulfoxide	MONITORING AND REPORTING	—	—	2023–2025	Archived
Aldicarb sulfone	MONITORING AND REPORTING	—	—	2023–2025	Archived
Carbofuran	MONITORING AND REPORTING	—	0.04 mg/L	2023–2025	Archived
Aldicarb	MONITORING AND REPORTING	—	—	2023–2025	Archived
Atrazine	MONITORING AND REPORTING	—	0.003 mg/L	2023–2025	Archived
LASSO	MONITORING AND REPORTING	—	—	2023–2025	Archived
Heptachlor	MONITORING AND REPORTING	—	0.0004 mg/L	2023–2025	Archived
Heptachlor epoxide	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2023–2025	Archived
2,4,5-TP	MONITORING AND REPORTING	—	0.05 mg/L	2023–2025	Archived
HEXACHLOROBENZENE	MONITORING AND REPORTING	—	0.001 mg/L	2023–2025	Archived
Benzo(a)pyrene	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
Pentachlorophenol	MONITORING AND REPORTING	—	0.001 mg/L	2023–2025	Archived
Total Polychlorinated Biphenyls (PCB)	MONITORING AND REPORTING	—	0.0005 mg/L	2023–2025	Archived
1,2-DIBROMO-3-CHLOROPROPANE	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
ETHYLENE DIBROMIDE	MONITORING AND REPORTING	—	0.00005 mg/L	2023–2025	Archived
Chlordane	MONITORING AND REPORTING	—	0.002 mg/L	2023–2025	Archived
Endrin	MONITORING AND REPORTING	—	0.002 mg/L	2023–2025	Archived
BHC-GAMMA	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
Methoxychlor	MONITORING AND REPORTING	—	0.04 mg/L	2023–2025	Archived
Toxaphene	MONITORING AND REPORTING	—	0.003 mg/L	2023–2025	Archived
Dalapon	MONITORING AND REPORTING	—	0.2 mg/L	2023–2025	Archived
Diquat	MONITORING AND REPORTING	—	0.02 mg/L	2023–2025	Archived
Endothall	MONITORING AND REPORTING	—	0.1 mg/L	2023–2025	Archived
Di(2-ethylhexyl) adipate	MONITORING AND REPORTING	—	0.4 mg/L	2023–2025	Archived
OXAMYL	MONITORING AND REPORTING	—	0.2 mg/L	2023–2025	Archived
Simazine	MONITORING AND REPORTING	—	0.004 mg/L	2023–2025	Archived
Di(2-ethylhexyl) phthalate	MONITORING AND REPORTING	—	0.006 mg/L	2023–2025	Archived
Picloram	MONITORING AND REPORTING	—	0.5 mg/L	2023–2025	Archived
Dinoseb	MONITORING AND REPORTING	—	0.007 mg/L	2023–2025	Archived
Hexachlorocyclopentadiene	MONITORING AND REPORTING	—	0.05 mg/L	2023–2025	Archived
Aldicarb sulfoxide	MONITORING AND REPORTING	—	—	2023–2025	Archived
Aldicarb sulfone	MONITORING AND REPORTING	—	—	2023–2025	Archived
Carbofuran	MONITORING AND REPORTING	—	0.04 mg/L	2023–2025	Archived
Aldicarb	MONITORING AND REPORTING	—	—	2023–2025	Archived
Atrazine	MONITORING AND REPORTING	—	0.003 mg/L	2023–2025	Archived
LASSO	MONITORING AND REPORTING	—	—	2023–2025	Archived
Heptachlor	MONITORING AND REPORTING	—	0.0004 mg/L	2023–2025	Archived
Heptachlor epoxide	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
2,4-D	MONITORING AND REPORTING	—	0.07 mg/L	2023–2025	Archived
2,4,5-TP	MONITORING AND REPORTING	—	0.05 mg/L	2023–2025	Archived
HEXACHLOROBENZENE	MONITORING AND REPORTING	—	0.001 mg/L	2023–2025	Archived
Benzo(a)pyrene	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
Pentachlorophenol	MONITORING AND REPORTING	—	0.001 mg/L	2023–2025	Archived
Total Polychlorinated Biphenyls (PCB)	MONITORING AND REPORTING	—	0.0005 mg/L	2023–2025	Archived
1,2-DIBROMO-3-CHLOROPROPANE	MONITORING AND REPORTING	—	0.0002 mg/L	2023–2025	Archived
ETHYLENE DIBROMIDE	MONITORING AND REPORTING	—	0.00005 mg/L	2023–2025	Archived
Chlordane	MONITORING AND REPORTING	—	0.002 mg/L	2023–2025	Archived
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2021	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2021–2023	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2021–2023	Resolved

Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

105 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Bone Gap

PWSID IL0470100

Water source Groundwater — Purchased groundwater from another system — SDWIS source code GWP

Population served 171

Service connections 149

Systems serving this area 1

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Bone Gap tap water safe to drink? ▼

No federal limit is exceeded on record. No violations are currently open. Lead is 12.20 ppb, 81% of the action level.

Does Bone Gap water have PFAS? ▼

This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.

Who supplies water to Bone Gap? ▼

Bone Gap (PWSID IL0470100). Groundwater. Purchased groundwater from another system — SDWIS source code GWP

When was this system last inspected? ▼

It was last inspected on 2022-05-26. No significant deficiencies were recorded.

What Should Bone Gap Residents Do?

Consider a filter certified for lead

Look for NSF/ANSI 53 certification for lead reduction.

Check for a lead service line

Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.

Flush before drinking

If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in Illinois

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