Town Of Mount Airy, MD
Lead detected, under the action levels
Latest 90th-percentile lead: 1.4 ppb (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. 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 Town Of Mount Airy
Town Of Mount Airy serves about 9,890 people through 3,326 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Carroll County, Maryland. EPA system ID: MD0060007. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
Against the period ending 2020 (1.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Town Of Mount Airy is 1.4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.4 ppb |
| 2020 | 1.2 ppb |
| 2018 | 0 (not detected) |
How Town Of Mount Airy compares
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. Town Of Mount Airy's 1.4 ppb sits at the 66th percentile in Maryland and the 62nd nationally (higher means more lead).
Other water systems in Carroll County
22 other systems share Carroll County; 13 of them have a higher latest lead result than Town Of Mount Airy. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Westminster | 35,256 | 0 (not detected) |
| Freedom District | 24,867 | 0 (not detected) |
| City Of Taneytown | 6,750 | 3 ppb |
| Town Of Hampstead | 6,600 | 2 ppb |
| Town Of Manchester | 4,954 | 1.16 ppb |
| Wakefield Valley | 2,436 | 0 (not detected) |
| Town Of New Windsor | 1,732 | 2.8 ppb |
| Springfield Hospital Distribution | 1,500 | - |
| Town Of Union Bridge | 997 | 4 ppb |
| Gaither Manor Apartments | 450 | 2 ppb |
Next steps for Mount Airy, MD
Test your own tap with a certified lab first-draw sample; Mount Airy, MD 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 Town Of Mount Airy 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. Size matters more than most people expect: small vs large water systems.