Cornerstone Living, PA
No lead results on file with EPA
Latest 90th-percentile lead: no result on file. The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. EPA's database has no Lead and Copper Rule results for this system. Without them there is nothing to go on, so a tap test is the only way to know.
Who runs the water here
Cornerstone Living serves about 44 people through 1 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Lehigh County, Pennsylvania. EPA system ID: PA3391038; phone on file: 610-298-3300. They can tell you what your service line is made of and whether they pay to replace it.
Other water systems in Lehigh County
38 other systems share Lehigh County. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lca Allentown Division | 118,000 | 7 ppb |
| Lca Wlsa Central Division | 47,693 | 2 ppb |
| Swt Main System | 14,500 | 6 ppb |
| Emmaus Borough Public Water | 14,000 | 3 ppb |
| Whitehall Twp Authority | 13,063 | 4 ppb |
| Salisbury Twp Water System | 8,522 | 3 ppb |
| Upper Saucon Twp Water Supply | 7,300 | 0 (not detected) |
| Catasauqua Mun Water Works | 6,598 | 5 ppb |
| Slatington Borough Water Sys | 4,450 | 0 (not detected) |
| Macungie Borough Authority | 3,039 | - |
Next steps for New Tripoli, PA
Test your own tap with a certified lab first-draw sample; New Tripoli, 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 Cornerstone Living 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. The action level is dropping - the 10 ppb rule from 2027.