Hidalgo County Mud 1, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.11 ppb (monitoring period 2021-2023). 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.
Hidalgo County Mud 1 at a glance
Hidalgo County Mud 1 serves about 8,420 people through 3,088 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Hidalgo County, Texas. EPA system ID: TX1080088; phone on file: 956-585-5821. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 1.29 ppb from 2.4 ppb in the period ending 2020. The highest 90th-percentile result EPA holds for Hidalgo County Mud 1 is 2.4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 1.11 ppb |
| 2020 | 2.4 ppb |
| 2017 | 1 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. Hidalgo County Mud 1's 1.11 ppb sits at the 67th percentile in Texas and the 58th nationally (higher means more lead).
Nearby utilities
23 other systems share Hidalgo County; 8 of them have a higher latest lead result than Hidalgo County Mud 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| North Alamo Wsc | 171,195 | 0.32 ppb |
| Mcallen Public Utility | 145,050 | 2.3 ppb |
| City Of Edinburg | 85,224 | 0 (not detected) |
| City Of Pharr | 79,715 | 1.09 ppb |
| City Of Mission | 77,058 | 1.83 ppb |
| Sharyland Wsc | 68,562 | 1 ppb |
| Agua Sud | 53,796 | 1 ppb |
| City Of Weslaco | 40,033 | 1.5 ppb |
| City Of San Juan | 30,000 | 0 (not detected) |
| City Of Alamo | 21,065 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Mission, 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 Hidalgo County Mud 1 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.