E M C Water Supply, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 2.1 ppb (monitoring period 2026-2026). 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.
E M C Water Supply at a glance
E M C Water Supply serves about 2,952 people through 984 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 Marion County, Texas. EPA system ID: TX1580066; phone on file: 903-930-1404. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 2.1 ppb from 0 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for E M C Water Supply is 2.1 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.1 ppb |
| 2025 | 0 (not detected) |
| 2025 | 0 (not detected) |
| 2023 | 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. E M C Water Supply's 2.1 ppb sits at the 84th percentile in Texas and the 74th nationally (higher means more lead).
Nearby utilities
9 other systems share Marion County; 2 of them have a higher latest lead result than E M C Water Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Mims Wsc | 2,736 | 0 (not detected) |
| City Of Jefferson | 1,883 | 0 (not detected) |
| Pine Harbor Subdivision | 1,314 | 0 (not detected) |
| Kellyville Berea Wsc | 1,125 | 0 (not detected) |
| Crestwood Water | 744 | 5.24 ppb |
| Indian Hills Harbor | 342 | 0 (not detected) |
| Creek Water Utility | 300 | 1.77 ppb |
| Holiday Harbor | 249 | 3.83 ppb |
| Northeast Texas Mwd | - | - |
What to do in your house
Test your own tap with a certified lab first-draw sample; Jefferson, 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 E M C Water Supply 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. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.