Sjcu-Northwest Utilities Wtp, FL
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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
Sjcu-Northwest Utilities Wtp serves about 48,040 people through 17,742 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 groundwater, in St. Johns County, Florida. EPA system ID: FL2554471; phone on file: 904-209-2703. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Sjcu-Northwest Utilities Wtp's lead record
Against the period ending 2022 (0.5 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Sjcu-Northwest Utilities Wtp is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.5 ppb |
| 2019 | 1 ppb |
| 2016 | 1 ppb |
Against other Florida systems
Of the 1,481 Florida systems with a lead result, the median latest reading is 1 ppb; 3 are over 15 ppb right now and 85 have gone over at some point. Sjcu-Northwest Utilities Wtp's reported as 0 (not detected) sits at the 25th percentile in Florida and the 40th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
19 other systems share St. Johns County; 13 of them have a higher latest lead result than Sjcu-Northwest Utilities Wtp. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sjcu-Cr214 Mainland Wtp | 66,953 | 0.6 ppb |
| St. Augustine Ws | 43,069 | 0.8 ppb |
| Sjcu-Ponte Vedra Ws | 15,565 | 0.9 ppb |
| Sjcu-Northeast Utilities Ws | 14,790 | 1 ppb |
| Sjcu-Sawgrass Grid | 13,023 | 0.9 ppb |
| Jea: Ponte Vedra Grid | 5,395 | 0.8 ppb |
| Sjcu-North Beach Utilities | 4,200 | 0.6 ppb |
| Jea: Ponce De Leon Grid | 2,303 | 3.2 ppb |
| Sjcu-Hastings Wtp | 1,095 | 0 (not detected) |
| Jea: Palm Valley Ws | 965 | 0 (not detected) |
Next steps for St. Augustine, FL
Look up your address in Sjcu-Northwest Utilities Wtp'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 Sjcu-Northwest Utilities Wtp 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.