Blue Rock Cooperative, RI
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
About Blue Rock Cooperative
Blue Rock Cooperative serves about 105 people through 42 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Kennebec County, Rhode Island. EPA system ID: ME0009171; phone on file: 401-765-7300. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Blue Rock Cooperative is 0.9 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 0.9 ppb |
| 2018 | 0.9 ppb |
| 2016 | 0 (not detected) |
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. Blue Rock Cooperative's reported as 0 (not detected) sits at the 5th percentile in Rhode Island and the 10th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Next steps for Woonsocket, RI
Look up your address in Blue Rock Cooperative'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 Blue Rock Cooperative 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. Small systems behave differently: why small systems go over more often.