American Legion Mia Post 231, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.31 ppb (monitoring period 2023-2023). 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
American Legion Mia Post 231 serves about 141 people through 47 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws surface water, in Grayson County, Texas. EPA system ID: TX0910153; phone on file: 903-786-2353. Call that number and ask whether your address has a lead, galvanized or unknown service line.
American Legion Mia Post 231's lead record
That is down 3.09 ppb from 4.4 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for American Legion Mia Post 231 is 4.4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.31 ppb |
| 2020 | 4.4 ppb |
| 2020 | 2 ppb |
Where this result ranks
Of the 4,447 Texas systems with a lead result, the median latest reading is 0.28 ppb; 15 are over 15 ppb right now and 202 have gone over at some point. American Legion Mia Post 231's 1.31 ppb sits at the 72nd percentile in Texas and the 61st nationally (higher means more lead).
Neighbouring systems
39 other systems share Grayson County; 9 of them have a higher latest lead result than American Legion Mia Post 231. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Sherman | 43,645 | 0 (not detected) |
| City Of Denison | 27,500 | 1.82 ppb |
| City Of Van Alstyne | 10,644 | 0.81 ppb |
| Two Way Sud | 6,804 | 0 (not detected) |
| South Grayson Sud | 6,750 | 7.49 ppb |
| City Of Howe | 4,548 | 0 (not detected) |
| Kentuckytown Wsc | 4,455 | 2.08 ppb |
| Tanglewood On Texoma | 4,341 | 0 (not detected) |
| Luella Sud | 4,200 | 0 (not detected) |
| City Of Whitesboro | 4,192 | 0 (not detected) |
Next steps for Pottsboro, TX
Test your own tap with a certified lab first-draw sample; Pottsboro, TX 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 American Legion Mia Post 231 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.