Mattawamkeag Housing Corp, ME
Exceeded the action level in the past
Latest 90th-percentile lead: 6.8 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Mattawamkeag Housing Corp at a glance
Mattawamkeag Housing Corp serves about 33 people through 13 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Penobscot County, Maine. EPA system ID: ME0090949; phone on file: 207-990-2099. They can tell you what your service line is made of and whether they pay to replace it.
Mattawamkeag Housing Corp's lead record
That is up 2.7 ppb from 4.1 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Mattawamkeag Housing Corp is 25 ppb across 10 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 6.8 ppb |
| 2025 | 4.1 ppb |
| 2025 | 4 ppb |
| 2024 | 6.2 ppb |
| 2024 | 7 ppb |
| 2023 | 25 ppb over 15 |
| 2020 | 3.8 ppb |
| 2017 | 1.1 ppb |
| 2017 | 1.1 ppb |
| 2016 | 1.6 ppb |
Where this result ranks
Of the 358 Maine systems with a lead result, the median latest reading is 1.5 ppb; 2 are over 15 ppb right now and 40 have gone over at some point. Mattawamkeag Housing Corp's 6.8 ppb sits at the 93rd percentile in Maine and the 94th nationally (higher means more lead).
Neighbouring systems
48 other systems share Penobscot County; 6 of them have a higher latest lead result than Mattawamkeag Housing Corp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Bangor Water District | 27,298 | 7.45 ppb |
| Brewer Water Department | 8,860 | 2.1 ppb |
| Old Town Water District | 7,648 | 7.9 ppb |
| Orono-Veazie Water District | 5,793 | 10 ppb |
| Maine Water Company Millinocket Division | 5,400 | 2.8 ppb |
| Hampden Water District | 4,800 | 2.52 ppb |
| Lincoln Water District | 3,020 | 0.96 ppb |
| Dexter Utility District | 2,338 | 4.9 ppb |
| East Millinocket Water Works | 2,133 | 2.8 ppb |
| Newport Water District | 1,900 | 1.3 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Bangor, ME 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 Mattawamkeag Housing Corp 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. More in what a past exceedance means today.