Utilities Inc - North Park Water Supply, LA
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2026). 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.
Utilities Inc - North Park Water Supply at a glance
Utilities Inc - North Park Water Supply serves about 11,298 people through 3,766 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws groundwater, in St. Tammany Parish County, Louisiana. EPA system ID: LA1103124; phone on file: 985-705-4696. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Utilities Inc - North Park Water Supply's lead record
Against the period ending 2023 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Utilities Inc - North Park Water Supply is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2017 | 1 ppb |
Where this result ranks
Of the 802 Louisiana systems with a lead result, the median latest reading is 0.72 ppb; 4 are over 15 ppb right now and 30 have gone over at some point. Utilities Inc - North Park Water Supply's reported as 0 (not detected) sits at the 41st percentile in Louisiana and the 37th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
65 other systems share St. Tammany Parish County; 27 of them have a higher latest lead result than Utilities Inc - North Park Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Slidell Water Supply | 35,547 | 0 (not detected) |
| St Tam Parish- Bedico -Faubourg-Coquille | 18,372 | 0 (not detected) |
| St Tam Parish - Briarwood Terrace | 17,536 | 2 ppb |
| City Of Covington Water Supply | 16,185 | 0 (not detected) |
| City Of Mandeville Water Supply | 13,000 | 1 ppb |
| Bayou Liberty Water Association | 10,791 | 0 (not detected) |
| St Tam Parish - Cross Gates Sd | 8,037 | 0 (not detected) |
| Lee Road Water Corporation | 7,665 | 2 ppb |
| Utilities Inc - Kingspoint Subdivision | 6,351 | 0 (not detected) |
| St Tammany Water District #2 | 5,200 | 0 (not detected) |
Next steps for Mandeville, LA
Look up your address in Utilities Inc - North Park Water Supply'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 Utilities Inc - North Park Water Supply 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. Small systems behave differently: why small systems go over more often.