Water Quality in 61101 — Rockford, IL
EPA data for ROCKFORD
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 61101 in Rockford, Illinois is served by ROCKFORD (EPA ID: IL2010300). This system provides water to approximately 147,051 people from groundwater sources.
There are 8 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| July 1, 2024 | Gross Beta | Monitoring | Unresolved |
| July 1, 2024 | Gross Beta | Monitoring | Unresolved |
| February 9, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| February 9, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| February 9, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| February 9, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2023 | PFNA | Monitoring | Resolved |
| January 1, 2023 | PFNA | Monitoring | Unresolved |
| January 1, 2023 | PFNA | Monitoring | Resolved |
| January 1, 2023 | PFNA | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | 5 | No |
| Lead | Inorganic | 4 | No |
| PFNA | PFAS | 4 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | No |
| Gross Beta | Radionuclides | 2 | No |
| Consumer Confidence Report Rule | Reporting | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| ROCKFORD | IL2010300 | 147,051 | Groundwater |
| PRAIRIE PATH WATER COMPANY-WILDWOOD | IL2015400 | 490 | Groundwater |
| BILL-MAR HEIGHTS MHP | IL2015345 | 240 | Groundwater |
| PRAIRIE ROAD PUMP CORPORATION | IL2015100 | 150 | Groundwater |
| NORTHGATE ESTATES MHP | IL2010470 | 100 | Groundwater |
What You Can Do
- Review your annual Consumer Confidence Report (CCR) — Your utility publishes this each July
- Test your home’s water — Especially if you have older plumbing (pre-1986) that may contain lead
- Stay informed — Bookmark this page to check for updates on your water quality
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Illinois
- 60004 (Arlington Heights) — 45 violations
- 60007 (Elk Grove Village) — 4 violations
- 60010 (Barrington) — 1 violation
- 60012 (Crystal Lake) — 23 violations
- 60016 (Des Plaines) — 3 violations
- 60025 (Glenview) — 4 violations
- 60038 (Palatine)
- 60048 (Libertyville) — 5 violations
- 60050 (Mchenry) — 124 violations
- 60062 (Northbrook) — 12 violations
- 60064 (North Chicago) — 18 violations
- 60076 (Skokie) — 16 violations
- 60079 (Waukegan) — 14 violations
- 60105 (Bensenville) — 8 violations
- 60108 (Bloomingdale) — 1 violation
- 60116 (Carol Stream) — 4 violations
- 60120 (Elgin) — 39 violations
- 60137 (Glen Ellyn) — 1 violation
- 60159 (Schaumburg) — 23 violations
- 60160 (Melrose Park) — 119 violations
Nearby Water Quality Reports
- 61111 (Loves Park) — 5 mi — 12 violations
- 53511 (Beloit, WI) — 19 mi — 2 violations
- 53545 (Janesville, WI) — 31 mi — 7 violations
- 60012 (Crystal Lake) — 41 mi — 23 violations
- 60050 (Mchenry) — 42 mi — 124 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for ROCKFORD (IL2010300) on EPA.gov.
Frequently Asked Questions
Is the tap water in 61101 safe to drink?
Based on EPA records, the water system serving ZIP code 61101 has only monitoring/reporting violations, which are procedural in nature. However, individual home conditions (old pipes, well water) can affect quality.
Where does 61101’s water come from?
The primary water source for this area is groundwater. ROCKFORD serves approximately 147,051 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 61101 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 61101. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 61101?
Radon zone data is not available for ZIP code 61101. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.