Littlestown Boro, PA
Lead detected, under the action levels
Latest 90th-percentile lead: 3 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.
Who runs the water here
Littlestown Boro serves about 7,300 people through 2,370 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 groundwater, in Adams County, Pennsylvania. EPA system ID: PA7010022; phone on file: 717-359-5636. They can tell you what your service line is made of and whether they pay to replace it.
Littlestown Boro's lead record
Against the period ending 2022 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Littlestown Boro is 9 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 2 ppb |
| 2019 | 0 (not detected) |
| 2016 | 9 ppb |
Against other Pennsylvania systems
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. Littlestown Boro's 3 ppb sits at the 58th percentile in Pennsylvania and the 83rd nationally (higher means more lead).
Other water systems in Adams County
29 other systems share Adams County; 1 of them has a higher latest lead result than Littlestown Boro. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Gettysburg Muni Auth | 12,425 | 2 ppb |
| New Oxford Munci Auth | 3,963 | 2 ppb |
| Lake Meade Muni Auth | 3,221 | - |
| Bonneauville Muni Water Auth | 2,730 | - |
| Biglerville Water Co | 2,501 | - |
| Fairfield Muni Auth | 2,150 | - |
| East Berlin Area Joint Auth | 1,750 | - |
| Pa Amer Water Co Lake Heritage | 1,648 | - |
| Arendtsville Muni Water Sys | 1,200 | - |
| York Springs Muni Water | 1,095 | - |
Your move
Test your own tap with a certified lab first-draw sample; Littlestown, 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 Littlestown Boro 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.