Aqua Pa Shenango Valley Wtp, 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.
Aqua Pa Shenango Valley Wtp at a glance
Aqua Pa Shenango Valley Wtp serves about 48,000 people through 17,152 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws surface water, in Mercer County, Pennsylvania. EPA system ID: PA6430054; phone on file: 724-347-7418. 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 Aqua Pa Shenango Valley Wtp is 2.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 2.8 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. Aqua Pa Shenango Valley Wtp's reported as 0 (not detected) sits at the 21st 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 Mercer County
27 other systems share Mercer County; 3 of them have a higher latest lead result than Aqua Pa Shenango Valley Wtp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Aqua Pa Greenville | 8,600 | 0.84 ppb |
| Grove City Boro Water Dept | 7,871 | 1.48 ppb |
| Sharpsville Boro Water Co | 5,029 | 1.44 ppb |
| Pine Twp Water Distr System | 3,082 | - |
| Reynolds Water Company | 2,370 | - |
| Buhl Community Water Company | 2,227 | - |
| Aqua Pa Lake Latonka Wtp | 1,600 | - |
| Sandy Lake Boro | 1,100 | - |
| St Paul Homes | 1,000 | - |
| Stoneboro Water Works | 956 | - |
Your move
Look up your address in Aqua Pa Shenango Valley Wtp'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 Aqua Pa Shenango Valley Wtp 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Small systems behave differently: why small systems go over more often.