West Medina Wsc, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 0.5 ppb (monitoring period 2024-2026). 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.
West Medina Wsc at a glance
West Medina Wsc serves about 1,683 people through 561 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Medina County, Texas. EPA system ID: TX1630027; phone on file: 830-363-7616. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 1.4 ppb from 1.9 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for West Medina Wsc is 1.9 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.5 ppb |
| 2023 | 1.9 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. West Medina Wsc's 0.5 ppb sits at the 52nd percentile in Texas and the 43rd nationally (higher means more lead).
Other water systems in Medina County
27 other systems share Medina County; 16 of them have a higher latest lead result than West Medina Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Benton City Wsc | 32,000 | 0.7 ppb |
| Yancey Wsc | 12,186 | 3.5 ppb |
| City Of Hondo | 11,044 | 1.4 ppb |
| East Medina County Sud Unit 1 | 6,153 | 0.8 ppb |
| City Of Devine | 4,335 | 0.8 ppb |
| City Of Castroville | 3,913 | 7.2 ppb |
| East Medina County Sud Unit 2 | 2,505 | 0.7 ppb |
| City Of La Coste | 1,488 | 4.6 ppb |
| East Medina County Sud Unit 3 | 1,365 | 0 (not detected) |
| City Of Natalia | 1,336 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; D Hanis, 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 West Medina Wsc 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.