Montoursville Water Company, PA
Lead detected, under the action levels
Latest 90th-percentile lead: 1.08 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
Montoursville Water Company serves about 4,983 people through 2,146 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 Lycoming County, Pennsylvania. EPA system ID: PA4410175; phone on file: 570-368-2486. 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 (1.7 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Montoursville Water Company is 1.7 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.08 ppb |
| 2022 | 1.7 ppb |
| 2019 | 0 (not detected) |
| 2016 | 1.22 ppb |
Where this result ranks
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. Montoursville Water Company's 1.08 ppb sits at the 35th percentile in Pennsylvania and the 56th nationally (higher means more lead).
Nearby utilities
28 other systems share Lycoming County; 6 of them have a higher latest lead result than Montoursville Water Company. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Williamsport Mun Water Auth | 51,000 | 2 ppb |
| Jersey Shore Area Jnt Wat Auth | 6,600 | 3 ppb |
| Muncy Borough Water Company | 2,900 | 890 ppb |
| Hughesville Borough Water Auth | 2,800 | 29.6 ppb |
| Montgomery Water Authority | 2,700 | - |
| Muncy State Correctional Inst | 2,050 | - |
| Lcwsa Limestone Water | 825 | - |
| Lcwsa Village Water | 598 | - |
| Lcwsa Halls Station | 518 | - |
| Heatherbrooke Estates | 410 | - |
Your move
Test your own tap with a certified lab first-draw sample; Montoursville, 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 Montoursville Water Company whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1722 ppb (copper action level 1,300 ppb).
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. The action level is dropping - the 10 ppb rule from 2027.