Public water system record
Palatine
Serves Palatine, Cook County, IL · 70,875 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Palatine 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
- 1
Key facts
- Palatine buys its water from Northwest Water Commission.
- Record on file since 1977, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 261 lead and 56 unknown out of 19,842 service lines.
Check whether Palatine 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
Full record since 1977
EPA's records for Palatine go back to 1977. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 2 | 0 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 1993, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1993 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Dec 7, 1992 | Resolved |
Where the water comes from
Palatine buys its water from Northwest Water Commission. EPA also lists 5 wells, all for emergency, seasonal or other part-time use. 4 smaller public systems such as schools, businesses or campgrounds buy water from Palatine. 2 other public water systems have emergency connections to Palatine.
Buys water from
- Northwest Water Commission Des Plaines, IL
Annual water quality report
Palatine 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