Mulberry South, MD
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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.
About Mulberry South
Mulberry South serves about 65 people through 24 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in St. Mary'S County, Maryland. EPA system ID: MD0180042; phone on file: 240-925-3139. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Mulberry South's lead record
Against the period ending 2021 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mulberry South is 3.9 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2021 | 0 (not detected) |
| 2017 | 3.9 ppb |
Where this result ranks
Of the 437 Maryland systems with a lead result, the median latest reading is 0 ppb; 3 are over 15 ppb right now and 21 have gone over at some point. Mulberry South's reported as 0 (not detected) sits at the 8th percentile in Maryland and the 5th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in St. Mary'S County
36 other systems share St. Mary'S County; 5 of them have a higher latest lead result than Mulberry South. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lexington Park | 43,030 | 0 (not detected) |
| Patuxent Naval Air Station (Navfac-Wash) | 22,000 | 0 (not detected) |
| Town Of Leonardtown | 5,000 | 0 (not detected) |
| Country Lakes | 3,016 | 0 (not detected) |
| Cedar Cove | 2,728 | 0 (not detected) |
| Saint Marys College | 2,200 | 0 (not detected) |
| Wicomico Shores | 1,262 | 0 (not detected) |
| Greenbrier | 1,161 | 0 (not detected) |
| Breton Bay | 1,012 | 0 (not detected) |
| Lord Calvert Trailer Park | 892 | 0 (not detected) |
Next steps for California, MD
Look up your address in Mulberry South'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 Mulberry South 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.