Jansen S/D, FL
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2024). 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.
Jansen S/D at a glance
Jansen S/D serves about 868 people through 248 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Seminole County, Florida. EPA system ID: FL3590615; phone on file: 919-257-1182. 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 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Jansen S/D is 0 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2018 | 0 (not detected) |
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. Jansen S/D's reported as 0 (not detected) sits at the 19th percentile in Florida and the 26th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Seminole County
37 other systems share Seminole County; 20 of them have a higher latest lead result than Jansen S/D. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Sanford, City Of (2 Wps) | 79,715 | 0.8 ppb |
| Seminole County Southeast | 70,040 | 1.2 ppb |
| Casselberry, City Of (3 Wps) | 54,747 | 0 (not detected) |
| Altamonte Springs Water Dept (2 Wps) | 51,000 | 0 (not detected) |
| Oviedo, City Of | 47,933 | 2.1 ppb |
| Sanlando (3 Wtps) | 36,953 | 1.5 ppb |
| Winter Springs, City Of (3 Wps) | 34,657 | 0.6 ppb |
| Seminole County Northwest | 31,986 | 0 (not detected) |
| Longwood, City Of (2 Wps) | 23,237 | 1.6 ppb |
| Seminole County Northeast | 19,925 | 0 (not detected) |
Next steps for Altamonte Springs, FL
Look up your address in Jansen S/D'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 Jansen S/D 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. The lead result guide covers how utilities pick the homes they sample. A zero today does not rule out a jump later - the rules are tightening in 2027.