Mountain Peak Sud, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.98 ppb (monitoring period 2024-2024). 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 Mountain Peak Sud
Mountain Peak Sud serves about 25,302 people through 8,434 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 surface water, in Ellis County, Texas. EPA system ID: TX0700042; phone on file: 972-775-3765. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 1.29 ppb from 3.27 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Mountain Peak Sud is 3.27 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.98 ppb |
| 2024 | 3.27 ppb |
| 2023 | 2.98 ppb |
| 2020 | 1.4 ppb |
| 2017 | 0 (not detected) |
How Mountain Peak Sud compares
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. Mountain Peak Sud's 1.98 ppb sits at the 82nd percentile in Texas and the 69th nationally (higher means more lead).
Other water systems in Ellis County
23 other systems share Ellis County; 3 of them have a higher latest lead result than Mountain Peak Sud. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Waxahachie | 50,814 | 0 (not detected) |
| Rockett Sud | 46,614 | 0 (not detected) |
| City Of Midlothian | 27,699 | 1.68 ppb |
| City Of Ennis | 24,891 | 0 (not detected) |
| Sardis Lone Elm Wsc | 20,736 | 1.4 ppb |
| City Of Red Oak | 18,577 | 0 (not detected) |
| Buena Vista Bethel Sud | 8,218 | 0 (not detected) |
| City Of Ovilla | 4,532 | 0 (not detected) |
| City Of Ferris | 4,204 | 3.4 ppb |
| City Of Palmer | 3,015 | 0 (not detected) |
Next steps for Midlothian, TX
Test your own tap with a certified lab first-draw sample; Midlothian, 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 Mountain Peak Sud 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.