Horizon Regional Mud, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 0.71 ppb (monitoring period 2025-2025). 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.
Horizon Regional Mud at a glance
Horizon Regional Mud serves about 31,542 people through 23,158 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in El Paso County, Texas. EPA system ID: TX0710005; phone on file: 915-852-3917. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Horizon Regional Mud's lead record
Against the period ending 2025 (1.43 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Horizon Regional Mud is 1.5 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.71 ppb |
| 2025 | 1.43 ppb |
| 2022 | 0 (not detected) |
| 2022 | 1.5 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
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. Horizon Regional Mud's 0.71 ppb sits at the 58th percentile in Texas and the 47th nationally (higher means more lead).
Neighbouring systems
16 other systems share El Paso County; 6 of them have a higher latest lead result than Horizon Regional Mud. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| El Paso Water Utilities | 747,168 | 0 (not detected) |
| Lower Valley Water District | 59,049 | 0 (not detected) |
| Paseo Del Este Mud 1 | 36,773 | 12.3 ppb |
| East Montana Water System | 11,480 | 0 (not detected) |
| El Paso County Wcid 4 Fabens | 9,444 | 1.03 ppb |
| Town Of Anthony | 5,555 | 1.14 ppb |
| El Paso County Tornillo Wid | 3,600 | 1.84 ppb |
| Village Of Vinton | 2,684 | 0 (not detected) |
| Haciendas Del Norte Water Improvement Di | 1,074 | 0 (not detected) |
| River View Estates | 224 | 1.74 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Horizon City, 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 Horizon Regional Mud 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.