Cumberland, Town Of, RI
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Cumberland, Town Of serves about 21,235 people through 8,565 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 Providence County, Rhode Island. EPA system ID: RI1647530; phone on file: 401-658-0666. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Cumberland, Town Of is 3.6 ppb across 13 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 1 ppb |
| 2024 | 1 ppb |
| 2023 | 1.5 ppb |
| 2022 | 1.1 ppb |
| 2022 | 2.6 ppb |
| 2022 | 1.9 ppb |
| 2020 | 2.6 ppb |
| 2019 | 1.3 ppb |
| 2019 | 1.3 ppb |
| 2017 | 1.3 ppb |
| 2016 | 3.6 ppb |
| 2016 | 3.6 ppb |
How Cumberland, Town Of compares
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. Cumberland, Town Of's reported as 0 (not detected) sits at the 27th percentile in Rhode Island and the 39th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
24 other systems share Providence County; 12 of them have a higher latest lead result than Cumberland, Town Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Providence-City Of | 333,142 | 1.7 ppb |
| Pawtucket Water Supply Board Veolia-Na | 98,130 | 0 (not detected) |
| East Providence-City Of | 47,961 | 0.3 ppb |
| Woonsocket Water Division | 45,828 | 6.6 ppb |
| Lincoln Water Commission | 21,664 | 0 (not detected) |
| Greenville Water District | 9,500 | 0 (not detected) |
| Smithfield Water Supply Board | 9,460 | 0 (not detected) |
| Clear River Electric And Water District | 6,000 | 1.3 ppb |
| Slatersville Public Supply | 3,403 | 0 (not detected) |
| Dowling Village | 2,720 | 0 (not detected) |
What to do in your house
Look up your address in Cumberland, Town Of's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Cumberland, Town Of 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. Small systems behave differently: why small systems go over more often.