Joint Base Anacostia - Bolling, DC
Lead detected, under the action levels
Latest 90th-percentile lead: 0.5 ppb (monitoring period 2024-2024). 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.
Joint Base Anacostia - Bolling at a glance
Joint Base Anacostia - Bolling serves about 20,411 people through 2,302 service connections, which makes it a large system under EPA's size classes. It is federally owned and draws surface water, in District Of Columbia County, the District of Columbia. EPA system ID: DC0000004; phone on file: 202-404-1992. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Joint Base Anacostia - Bolling's lead record
That is down 1.5 ppb from 2 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Joint Base Anacostia - Bolling is 2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0.5 ppb |
| 2021 | 2 ppb |
| 2018 | 0 (not detected) |
Where this result ranks
Of the 3 the District of Columbia systems with a lead result, the median latest reading is 0.81 ppb; 0 are over 15 ppb right now and 0 have gone over at some point. Joint Base Anacostia - Bolling's 0.5 ppb sits at the 0th percentile in the District of Columbia and the 43rd nationally (higher means more lead).
Other water systems in District Of Columbia County
3 other systems share District Of Columbia County; 2 of them have a higher latest lead result than Joint Base Anacostia - Bolling. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| D.C. Water And Sewer Authority | 632,323 | 2 ppb |
| Naval Station Washington - Wny | 16,800 | 0.81 ppb |
| Washington Aqueduct Division. | - | - |
Your move
Test your own tap with a certified lab first-draw sample; Washington, DC 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 Joint Base Anacostia - Bolling 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.