Duncannon Muni Water, PA
Above the federal action level
Latest 90th-percentile lead: 301 ppb (monitoring period 2016-2016). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. In the most recent monitoring period, more than 10% of the sampled homes measured above 15 ppb. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking now, and test your own tap.
Who runs the water here
Duncannon Muni Water serves about 2,000 people through 1,137 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Perry County, Pennsylvania. EPA system ID: PA7500019; phone on file: 717-834-4311. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
The highest 90th-percentile result EPA holds for Duncannon Muni Water is 301 ppb across 1 monitoring period, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2016 | 301 ppb over 15 |
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. Duncannon Muni Water's 301 ppb sits at the 99th percentile in Pennsylvania and the 100th nationally (higher means more lead).
Other water systems in Perry County
23 other systems share Perry County; 0 of them have a higher latest lead result than Duncannon Muni Water. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Newport Boro Water Auth | 3,200 | 18.5 ppb |
| Bloomfield Boro Water Auth | 1,170 | - |
| Liverpool Muni Auth | 934 | - |
| Millerstown Boro Water | 700 | - |
| Creekview Farms Mhp | 450 | 15.5 ppb |
| Blain Water Co | 321 | 46.8 ppb |
| Orchard Hills Mhp | 303 | 152.6 ppb |
| Loysville Youth Dev Ctr | 249 | - |
| Sunshine Hills Water Co | 248 | - |
| Skyview Gardens Apts | 234 | - |
Next steps for Duncannon, PA
Use a filter certified to NSF/ANSI 53 for lead on the tap you drink and cook from, now, before you test. Then test your own tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Duncannon Muni Water whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1680 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. 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.