Aquarion Water Company Ponds Of Plymouth, MA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.8 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.
Who runs the water here
Aquarion Water Company Ponds Of Plymouth serves about 2,267 people through 896 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Plymouth County, Massachusetts. EPA system ID: MA4239045; phone on file: 5088653998. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is down 2.2 ppb from 5 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Aquarion Water Company Ponds Of Plymouth is 13 ppb across 6 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.8 ppb |
| 2024 | 5 ppb |
| 2022 | 3 ppb |
| 2022 | 13 ppb over 10 |
| 2019 | 1 ppb |
| 2016 | 4 ppb |
Against other Massachusetts systems
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. Aquarion Water Company Ponds Of Plymouth's 2.8 ppb sits at the 67th percentile in Massachusetts and the 80th nationally (higher means more lead).
Other water systems in Plymouth County
44 other systems share Plymouth County; 17 of them have a higher latest lead result than Aquarion Water Company Ponds Of Plymouth. 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 |
| Scituate Water Division | 19,297 | 2 ppb |
| Pembroke Water Division Dpw | 18,175 | 3 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Millbury, 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 Aquarion Water Company Ponds Of Plymouth 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.