Scituate Water Division, MA
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2025-2025). 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.
About Scituate Water Division
Scituate Water Division serves about 19,297 people through 8,397 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 Plymouth County, Massachusetts. EPA system ID: MA4264000; phone on file: 7815458735. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Scituate Water Division's lead record
Against the period ending 2024 (2.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Scituate Water Division is 5 ppb across 13 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2024 | 2.5 ppb |
| 2024 | 2.5 ppb |
| 2023 | 0 (not detected) |
| 2023 | 3 ppb |
| 2022 | 2 ppb |
| 2022 | 0 (not detected) |
| 2021 | 3 ppb |
| 2021 | 3 ppb |
| 2020 | 4 ppb |
| 2019 | 3 ppb |
| 2019 | 5 ppb |
| 2016 | 4 ppb |
Where this result ranks
Of the 535 Massachusetts systems with a lead result, the median latest reading is 1.7 ppb; 13 are over 15 ppb right now and 66 have gone over at some point. Scituate Water Division's 2 ppb sits at the 57th percentile in Massachusetts and the 73rd nationally (higher means more lead).
Nearby utilities
44 other systems share Plymouth County; 20 of them have a higher latest lead result than Scituate Water Division. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Brockton Water Department | 105,788 | 4 ppb |
| Plymouth Water Department | 47,100 | 2.5 ppb |
| Weir River Water System | 45,339 | 0 (not detected) |
| Marshfield Water Department | 34,000 | 4 ppb |
| Abington/Rockland Joint Wtr. Works | 33,387 | 4 ppb |
| Mattapoisett River Valley W.D. | 29,600 | - |
| Bridgewater Water Department | 28,633 | 3 ppb |
| Wareham Fire District | 20,102 | 2 ppb |
| Pembroke Water Division Dpw | 18,175 | 3 ppb |
| Duxbury Water Department | 16,387 | 4.4 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Scituate, MA 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 Scituate Water Division 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.