Warwick Twp Lititz Sys, PA
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Warwick Twp Lititz Sys
Warwick Twp Lititz Sys serves about 8,561 people through 3,753 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Lancaster County, Pennsylvania. EPA system ID: PA7360116; phone on file: 717-627-2379. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Warwick Twp Lititz Sys is 3.17 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 3.17 ppb |
How Warwick Twp Lititz Sys compares
Of the 516 Pennsylvania systems with a lead result, the median latest reading is 2 ppb; 143 are over 15 ppb right now and 156 have gone over at some point. Warwick Twp Lititz Sys's 1 ppb sits at the 32nd percentile in Pennsylvania and the 55th nationally (higher means more lead).
Other water systems in Lancaster County
92 other systems share Lancaster County; 24 of them have a higher latest lead result than Warwick Twp Lititz Sys. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Lancaster | 120,000 | 7 ppb |
| Columbia Water Co | 25,200 | 1 ppb |
| Ephrata Area Joint Authority | 24,500 | 1.52 ppb |
| East Hempfield Water Auth | 20,988 | 8 ppb |
| Elizabethtown Area Water | 19,000 | 3 ppb |
| Mt Joy Boro Auth | 15,261 | 4 ppb |
| Lititz Boro | 9,397 | 7 ppb |
| New Holland Borough | 8,490 | 0 (not detected) |
| Millersville Univ | 7,950 | 3 ppb |
| Upper Leacock Township | 7,734 | 2 ppb |
Next steps for Lititz, PA
Test your own tap with a certified lab first-draw sample; Lititz, PA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Warwick Twp Lititz Sys whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.