Idlewood Park, MD
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2021-2023). 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.
Who runs the water here
Idlewood Park serves about 320 people through 103 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Charles County, Maryland. EPA system ID: MD0080205; phone on file: 240-539-1211. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Idlewood Park's lead record
That is down 4 ppb from 6 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Idlewood Park is 6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2 ppb |
| 2020 | 6 ppb |
| 2017 | 5 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. Idlewood Park's 2 ppb sits at the 74th percentile in Maryland and the 71st nationally (higher means more lead).
Other water systems in Charles County
48 other systems share Charles County; 7 of them have a higher latest lead result than Idlewood Park. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Waldorf - Charles County Dpw | 84,296 | 0 (not detected) |
| Town Of La Plata | 11,535 | 0 (not detected) |
| Bryans Road | 6,260 | 0 (not detected) |
| Town Of Indian Head | 4,100 | 0 (not detected) |
| Naval Support Facility, Indian Head | 3,321 | 5.7 ppb |
| Potomac Heights | 1,800 | 0 (not detected) |
| Swan Point | 945 | 0 (not detected) |
| Cliffton On The Potomac | 744 | 0 (not detected) |
| Hunters Brooke/Falcon Ridge Subd | 614 | 0 (not detected) |
| Charles County Gardens Water | 551 | 1.8 ppb |
Next steps for Crofton, MD
Test your own tap with a certified lab first-draw sample; Crofton, 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 Idlewood Park 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.