Bcwsa Main Lower South, PA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Bcwsa Main Lower South at a glance
Bcwsa Main Lower South serves about 52,621 people through 15,800 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: PA1090079; phone on file: 215-343-2538. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Bcwsa Main Lower South is 2 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2017 | 1.2 ppb |
| 2016 | 0.96 ppb |
| 2016 | 2 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. Bcwsa Main Lower South's reported as 0 (not detected) sits at the 22nd percentile in Pennsylvania and the 40th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Bucks County
68 other systems share Bucks County; 11 of them have a higher latest lead result than Bcwsa Main Lower South. 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) |
| 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 |
| Nwwa Warrington Township | 21,588 | 0.6 ppb |
| Upper Southampton Mun Auth | 16,000 | 0 (not detected) |
Your move
Look up your address in Bcwsa Main Lower South's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Bcwsa Main Lower South 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. Small systems behave differently: why small systems go over more often.