Water Quality in Carlisle, PA
104 water systems serving 52,107 people
City Overview
Average lead detection across Carlisle water systems is 161.6 ppb (Elevated). The EPA action level is 15 ppb. 10 systems have triggered action level violations.
Violation Summary
| Total violations on record | 5799 |
| Health-based violations | 188 |
| Lead action level violations | 10 |
| Open (unresolved) violations | 0 |
Water Systems in Carlisle
Frequently Asked Questions
Is Carlisle tap water safe to drink?
Some water systems in Carlisle have detected elevated lead levels. While municipal treatment meets EPA standards, lead can leach from older home plumbing. Consider using a certified filter if your home was built before 1986.
What is the water quality in Carlisle, Pennsylvania?
Carlisle has 104 public water systems serving approximately 52,107 people. The average lead level across sampled systems is 161.6 ppb. There are 5799 total violations on record.
Does Carlisle have lead in the water?
EPA monitoring data shows an average lead detection of 161.6 ppb across Carlisle's water systems. The EPA action level is 15 ppb. 10 systems have triggered lead action level violations.
How many water utilities serve Carlisle?
104 public water systems are registered in Carlisle, Pennsylvania with the EPA Safe Drinking Water Information System. Together they serve approximately 52,107 people.