Warwick-City Of, RI
Lead detected, under the action levels
Latest 90th-percentile lead: 2.09 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. 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.
Warwick-City Of at a glance
Warwick-City Of serves about 73,289 people through 27,044 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 Kent County, Rhode Island. EPA system ID: RI1615627; phone on file: 401-921-9798. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2025 (1.94 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Warwick-City Of is 11 ppb across 10 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.09 ppb |
| 2025 | 1.94 ppb |
| 2024 | 2.3 ppb |
| 2023 | 3.4 ppb |
| 2022 | 8 ppb |
| 2021 | 10 ppb |
| 2020 | 5 ppb |
| 2019 | 7 ppb |
| 2018 | 8.9 ppb |
| 2017 | 11 ppb over 10 |
Against other Rhode Island systems
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. Warwick-City Of's 2.09 ppb sits at the 68th percentile in Rhode Island and the 74th nationally (higher means more lead).
Neighbouring systems
8 other systems share Kent County; 2 of them have a higher latest lead result than Warwick-City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Kent County Water Authority | 94,107 | 2.1 ppb |
| Cne - New London Turnpike Entry Point | 9,999 | 0 (not detected) |
| Warwick-Potowomut | 2,163 | 1.5 ppb |
| Cne - Hopkins Hill Road Entry Point | 317 | 0 (not detected) |
| Paige Associates | 120 | - |
| Alpine Nursing Home | 105 | 0 (not detected) |
| Pine Acres Alr | 75 | 7.4 ppb |
| Blueberry Heights Housing Cooperative Co | 44 | 1 ppb |
Next steps for Warwick, RI
Test your own tap with a certified lab first-draw sample; Warwick, 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 Warwick-City 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.