Agnes Subdivision, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 2.8 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 Agnes Subdivision
Agnes Subdivision serves about 87 people through 29 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Parker County, Texas. EPA system ID: TX1840017; phone on file: 512-990-4400. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is up 2.8 ppb from 0 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Agnes Subdivision is 7 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2.8 ppb |
| 2021 | 0 (not detected) |
| 2020 | 5.5 ppb |
| 2019 | 7 ppb |
| 2016 | 1.5 ppb |
Against other Texas systems
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. Agnes Subdivision's 2.8 ppb sits at the 89th percentile in Texas and the 80th nationally (higher means more lead).
Other water systems in Parker County
69 other systems share Parker County; 6 of them have a higher latest lead result than Agnes Subdivision. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Walnut Creek Sud | 40,410 | 1.2 ppb |
| City Of Weatherford | 37,002 | 0 (not detected) |
| City Of Willow Park | 7,439 | 2.35 ppb |
| Parker County Sud Surface | 6,300 | 0 (not detected) |
| City Of Aledo | 5,521 | 0 (not detected) |
| City Of Springtown | 3,781 | 0 (not detected) |
| City Of Reno | 3,526 | 1.62 ppb |
| City Of Hudson Oaks | 3,487 | 0 (not detected) |
| Western Lake Estates | 2,982 | 0 (not detected) |
| Town Of Annetta Deer Creek | 2,418 | 1.5 ppb |
Next steps for Austin, TX
Test your own tap with a certified lab first-draw sample; Austin, 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 Agnes Subdivision 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. The action level is dropping - the 10 ppb rule from 2027.