Magnolia-The Meadows, MO
Lead detected, under the action levels
Latest 90th-percentile lead: 0.92 ppb (monitoring period 2023-2025). 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.
About Magnolia-The Meadows
Magnolia-The Meadows serves about 4,701 people through 1,567 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws groundwater, in St. Tammany Parish County, Missouri. EPA system ID: LA1103106. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2022 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Magnolia-The Meadows is 1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.92 ppb |
| 2022 | 1 ppb |
| 2019 | 1 ppb |
| 2016 | 1 ppb |
Where this result ranks
Of the 1,674 Missouri systems with a lead result, the median latest reading is 1.04 ppb; 2 are over 15 ppb right now and 74 have gone over at some point. Magnolia-The Meadows's 0.92 ppb sits at the 48th percentile in Missouri and the 49th nationally (higher means more lead).
Neighbouring systems
25 other systems share St. Tammany Parish County; 6 of them have a higher latest lead result than Magnolia-The Meadows. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Magnolia-Eden Isles | 10,155 | 1 ppb |
| Magnolia-Greenleaves | 8,031 | 0.31 ppb |
| Magnolia-Resolve Whisperwood | 6,867 | 1 ppb |
| Magnolia-Lakeshore Estates | 4,146 | 1 ppb |
| Magnolia-Guste Island | 2,847 | 0 (not detected) |
| Magnolia-Penn Mill Lakes | 1,152 | 0 (not detected) |
| Magnolia-Money Hills Estates | 825 | 0 (not detected) |
| Magnolia-River Park | 822 | 0 (not detected) |
| Magnolia - Brier Lake | 630 | 0 (not detected) |
| Magnolia-Grande Palms | 579 | 0 (not detected) |
Next steps for St. Louis, MO
Test your own tap with a certified lab first-draw sample; St. Louis, MO 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 Magnolia-The Meadows 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. Systems that went over once often dip back under; here is what that means.