Public water system record
Barrington
Serves Barrington and Inverness, Lake County and Cook County, IL · 10,327 people served
Federal records show no health-based violations and no monitoring or reporting issues for Barrington 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
- Barrington draws water from 4 wells.
- Record on file since 1977, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 623 lead and 0 unknown out of 4,409 service lines.
Check whether Barrington 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 Barrington go back to 1977. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began April 1993, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Apr 27, 1993 | Resolved |
Where the water comes from
Barrington draws water from 4 wells. 1 smaller public system such as schools, businesses or campgrounds buys water from Barrington.
Annual water quality report
Barrington 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