Central Hooksett Water Pct, NH
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2021-2023). 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
Central Hooksett Water Pct serves about 4,650 people through 1,784 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Merrimack County, New Hampshire. EPA system ID: NH1181010. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
That is down 8 ppb from 9 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Central Hooksett Water Pct is 9 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1 ppb |
| 2023 | 9 ppb |
| 2020 | 2 ppb |
Against other New Hampshire systems
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. Central Hooksett Water Pct's 1 ppb sits at the 26th percentile in New Hampshire and the 55th nationally (higher means more lead).
Nearby utilities
59 other systems share Merrimack County; 7 of them have a higher latest lead result than Central Hooksett Water Pct. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Concord Water Dept | 44,215 | 1 ppb |
| Franklin Water Works | 7,200 | 2 ppb |
| Pembroke Water Works | 5,200 | 2 ppb |
| Penacook Boscawen Water Pct | 3,800 | 0 (not detected) |
| New London Springfield Water | 3,250 | - |
| Cogswell Springs Water Works | 3,000 | - |
| Hooksett Village Water Pct | 3,000 | - |
| Tilton Northfield Water Dist | 2,500 | - |
| Pittsfield Aqueduct | 1,625 | - |
| Contoocook Village Pct | 1,600 | - |
Next steps for Hooksett, NH
Test your own tap with a certified lab first-draw sample; Hooksett, NH 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 Central Hooksett Water Pct 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.