Nwwa Warrington Township, PA
Lead detected, under the action levels
Latest 90th-percentile lead: 0.6 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
Nwwa Warrington Township serves about 21,588 people through 8,788 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Bucks County, Pennsylvania. EPA system ID: PA1090070; phone on file: 267-482-6940. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Nwwa Warrington Township is 2.46 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.6 ppb |
| 2022 | 1 ppb |
| 2019 | 1.7 ppb |
| 2019 | 1 ppb |
| 2016 | 2.46 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. Nwwa Warrington Township's 0.6 ppb sits at the 27th percentile in Pennsylvania and the 45th nationally (higher means more lead).
Other water systems in Bucks County
68 other systems share Bucks County; 10 of them have a higher latest lead result than Nwwa Warrington Township. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lower Bucks Co Joint Mun Auth | 63,007 | 0 (not detected) |
| Aqua Pa Bensalem | 59,001 | 0 (not detected) |
| Bcwsa Main Lower South | 52,621 | 0 (not detected) |
| Newtown Artesian Water Co | 38,500 | 0 (not detected) |
| Northampton Bucks Co Mun Auth | 36,750 | 1 ppb |
| Warminster Municipal Authority | 36,000 | 0 (not detected) |
| Pa American Water Co Yardley | 33,171 | 1 ppb |
| Aqua Pa Bristol | 28,727 | 0 (not detected) |
| Falls Twp Water & Sewer Dept | 24,400 | 1.6 ppb |
| Upper Southampton Mun Auth | 16,000 | 0 (not detected) |
Next steps for North Wales, PA
Test your own tap with a certified lab first-draw sample; North Wales, 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 Nwwa Warrington Township 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.