Concord Water Dept, NH
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (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. 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.
Concord Water Dept at a glance
Concord Water Dept serves about 44,215 people through 12,572 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 Merrimack County, New Hampshire. EPA system ID: NH0501010. Ask the utility on your bill for your address in their service line inventory.
Concord Water Dept's lead record
That is down 4 ppb from 5 ppb in the period ending 2019. The highest 90th-percentile result EPA holds for Concord Water Dept is 5 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2022 | 1 ppb |
| 2019 | 5 ppb |
| 2016 | 3 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. Concord Water Dept's 1 ppb sits at the 28th percentile in New Hampshire and the 56th nationally (higher means more lead).
Neighbouring systems
59 other systems share Merrimack County; 7 of them have a higher latest lead result than Concord Water Dept. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Franklin Water Works | 7,200 | 2 ppb |
| Pembroke Water Works | 5,200 | 2 ppb |
| Central Hooksett Water Pct | 4,650 | 1 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 | - |
Your move
Test your own tap with a certified lab first-draw sample; Concord, 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 Concord Water Dept 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.