St. Augustine Ws, FL
Lead detected, under the action levels
Latest 90th-percentile lead: 0.8 ppb (monitoring period 2023-2023). 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.
St. Augustine Ws at a glance
St. Augustine Ws serves about 43,069 people through 17,724 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: FL2550210; phone on file: 904-825-1040. Call that number and ask whether your address has a lead, galvanized or unknown service line.
St. Augustine Ws's lead record
Against the period ending 2021 (0.8 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for St. Augustine Ws is 1.8 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0.8 ppb |
| 2021 | 0.8 ppb |
| 2019 | 1.4 ppb |
| 2016 | 1.8 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. St. Augustine Ws's 0.8 ppb sits at the 41st percentile in Florida and the 48th nationally (higher means more lead).
Neighbouring systems
19 other systems share St. Johns County; 7 of them have a higher latest lead result than St. Augustine Ws. 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 |
| Sjcu-Northwest Utilities Wtp | 48,040 | 0 (not detected) |
| 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) |
What to do in your house
Test your own tap with a certified lab first-draw sample; St. Augustine, FL 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 St. Augustine Ws 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. Systems that went over once often dip back under; here is what that means.