Public water system record
Hoffman Estates
Serves Hoffman Estates and South Barrington, Cook County, IL · 50,179 people served
Federal records show no health-based violations and no monitoring or reporting issues for Hoffman Estates in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Hoffman Estates buys its water from Northwest Suburban Municipal Jawa.
- Record on file since 1977, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 15,042 service lines.
Check whether Hoffman Estates serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1977
EPA's records for Hoffman Estates go back to 1977. Before October 19, 2016 they list 7 health-based violations (2 resolved, 5 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 5 | 0 |
| 1990s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 1994, Archived.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1994 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1992 | Archived |
|
Barium
Contaminant limit exceeded
|
Jun 1, 1986 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 1, 1984 | Resolved |
|
Barium
Contaminant limit exceeded
|
Jun 1, 1983 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Oct 17, 1980 | Archived |
|
Barium
Contaminant limit exceeded
|
Jun 1, 1980 | Archived |
Where the water comes from
Hoffman Estates buys its water from Northwest Suburban Municipal Jawa. EPA also lists 6 wells, all for emergency, seasonal or other part-time use. It also has an emergency connection to Palatine. 3 smaller public systems such as schools, businesses or campgrounds buy water from Hoffman Estates.
Buys water from
- Northwest Suburban Municipal Jawa Elk Grove Village, IL
Emergency or part-time connections to
- Palatine Palatine, IL
Annual water quality report
Hoffman Estates must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells