Narragansett Water System-Point Judith, RI
Lead detected, under the action levels
Latest 90th-percentile lead: 4.1 ppb (monitoring period 2022-2024). 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
Narragansett Water System-Point Judith serves about 8,210 people through 3,536 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 groundwater, in Washington County, Rhode Island. EPA system ID: RI1858428; phone on file: 401-782-0637. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 9.9 ppb from 14 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Narragansett Water System-Point Judith is 14 ppb across 5 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 4.1 ppb |
| 2021 | 14 ppb over 10 |
| 2019 | 3.7 ppb |
| 2018 | 3.7 ppb |
| 2016 | 14 ppb over 10 |
Where this result ranks
Of the 78 Rhode Island systems with a lead result, the median latest reading is 1.1 ppb; 6 are over 15 ppb right now and 17 have gone over at some point. Narragansett Water System-Point Judith's 4.1 ppb sits at the 83rd percentile in Rhode Island and the 88th nationally (higher means more lead).
Neighbouring systems
32 other systems share Washington County; 4 of them have a higher latest lead result than Narragansett Water System-Point Judith. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Westerly Water Department | 35,298 | 3.6 ppb |
| North Kingstown Town Of | 27,732 | 1.3 ppb |
| Veolia Water Wakefield Rhode Island Inc | 21,225 | 3.2 ppb |
| University Of Rhode Island | 19,354 | 6.4 ppb |
| Block Island Water Company | 9,999 | 0 (not detected) |
| South Kingstown-South Shore | 6,170 | 1 ppb |
| Narragansett Water Dept-North End | 4,432 | 1.2 ppb |
| Kingston Water District | 3,968 | 1 ppb |
| Richmond, Town Of | 2,671 | 0.3 ppb |
| South Kingstown-Middlebridge | 694 | 1 ppb |
Your move
Test your own tap with a certified lab first-draw sample; Narragansett, RI 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 Narragansett Water System-Point Judith 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.