Jefferson County Wcid 10, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.88 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.
Who runs the water here
Jefferson County Wcid 10 serves about 4,605 people through 1,792 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 Jefferson County, Texas. EPA system ID: TX1230003; phone on file: 409-722-6922. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Jefferson County Wcid 10's lead record
That is down 8.41 ppb from 10.29 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Jefferson County Wcid 10 is 10.29 ppb across 5 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.88 ppb |
| 2024 | 10.29 ppb over 10 |
| 2021 | 5.1 ppb |
| 2018 | 4.3 ppb |
| 2017 | 8.7 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. Jefferson County Wcid 10's 1.88 ppb sits at the 80th percentile in Texas and the 68th nationally (higher means more lead).
Other water systems in Jefferson County
16 other systems share Jefferson County; 4 of them have a higher latest lead result than Jefferson County Wcid 10. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Beaumont Water Utility Dept | 113,567 | 0.83 ppb |
| City Of Port Arthur | 56,039 | 2.35 ppb |
| City Of Nederland | 18,157 | 1.81 ppb |
| City Of Groves | 17,335 | 0.93 ppb |
| City Of Port Neches | 17,043 | 0 (not detected) |
| West Jefferson County Mwd | 9,367 | 0.91 ppb |
| Federal Correctional Complex-Beaumont | 5,748 | 5.72 ppb |
| Meeker Mwd | 4,071 | 0 (not detected) |
| City Of Bevil Oaks | 1,414 | 3.47 ppb |
| Country Side Estates | 1,311 | 1.45 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Nederland, 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 Jefferson County Wcid 10 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. Size matters more than most people expect: small vs large water systems.