Pease Trade Port, NH
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2020-2022). 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.
Pease Trade Port at a glance
Pease Trade Port serves about 9,900 people through 326 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by the state and draws groundwater, in Rockingham County, New Hampshire. EPA system ID: NH1951020. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
That is down 6 ppb from 6 ppb in the period ending 2019. The highest 90th-percentile result EPA holds for Pease Trade Port is 6 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2022 | 0 (not detected) |
| 2019 | 6 ppb |
| 2017 | 2 ppb |
| 2017 | 3 ppb |
| 2016 | 0 (not detected) |
| 2016 | 1 ppb |
Where this result ranks
Of the 124 New Hampshire systems with a lead result, the median latest reading is 16 ppb; 62 are over 15 ppb right now and 64 have gone over at some point. Pease Trade Port's reported as 0 (not detected) sits at the 15th percentile in New Hampshire and the 37th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
185 other systems share Rockingham County; 17 of them have a higher latest lead result than Pease Trade Port. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Portsmouth Water Works | 33,000 | 0 (not detected) |
| Salem Water Dept | 21,080 | 2 ppb |
| Derry Water Dept | 17,528 | 0 (not detected) |
| Seabrook Water Dept | 14,000 | 3 ppb |
| Exeter Water Dept | 12,236 | 0 (not detected) |
| Hampstead Area Water | 7,153 | 2 ppb |
| Londonderry | 6,255 | 4 ppb |
| Newmarket Water Works | 5,030 | 2 ppb |
| Rye Water Dist | 4,300 | 0 (not detected) |
| Raymond Water Dept | 3,300 | 1 ppb |
Next steps for Portsmouth, NH
Look up your address in Pease Trade Port'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 Pease Trade Port 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.