Collegeville Trappe Joint Pwd, 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
Collegeville Trappe Joint Pwd serves about 8,470 people through 2,952 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 Montgomery County, Pennsylvania. EPA system ID: PA1460022; phone on file: 610-489-2831. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (4 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Collegeville Trappe Joint Pwd is 8.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 4 ppb |
| 2019 | 5.8 ppb |
| 2016 | 8.8 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. Collegeville Trappe Joint Pwd's 3 ppb sits at the 59th percentile in Pennsylvania and the 83rd nationally (higher means more lead).
Other water systems in Montgomery County
37 other systems share Montgomery County; 2 of them have a higher latest lead result than Collegeville Trappe Joint Pwd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Aqua Pa Main System | 822,600 | 0 (not detected) |
| North Penn Water Authority | 91,941 | 0.5 ppb |
| Pa American Norristown | 88,885 | 2 ppb |
| North Wales Water Authority | 72,496 | 1.6 ppb |
| Pottstown Borough Water Auth | 36,000 | 0.9 ppb |
| Horsham Water&Sewer Authority | 26,000 | 0 (not detected) |
| Ambler Boro Water Dept | 20,000 | 2.3 ppb |
| Aqua Pa Hatboro | 12,901 | 0 (not detected) |
| Aqua Pa Superior Main System | 11,400 | 0 (not detected) |
| Pa American Audubon | 8,200 | 4 ppb |
Next steps for Trappe, PA
Test your own tap with a certified lab first-draw sample; Trappe, 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 Collegeville Trappe Joint Pwd 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.