Galveston County Wcid 1, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.23 ppb (monitoring period 2024-2026). 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
Galveston County Wcid 1 serves about 30,399 people through 10,133 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 Galveston County, Texas. EPA system ID: TX0840001; phone on file: 409-739-0848. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 1.23 ppb from 0 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Galveston County Wcid 1 is 13.5 ppb across 5 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.23 ppb |
| 2023 | 0 (not detected) |
| 2022 | 13.5 ppb over 10 |
| 2019 | 0 (not detected) |
| 2016 | 2.05 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. Galveston County Wcid 1's 1.23 ppb sits at the 70th percentile in Texas and the 60th nationally (higher means more lead).
Other water systems in Galveston County
25 other systems share Galveston County; 5 of them have a higher latest lead result than Galveston County Wcid 1. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of League City | 149,557 | 3 ppb |
| City Of Texas City | 61,541 | 0.6 ppb |
| City Of Galveston | 52,326 | 3.13 ppb |
| City Of Friendswood | 43,190 | 4.61 ppb |
| Bolivar Peninsula Sud | 18,424 | 3.51 ppb |
| City Of La Marque | 15,154 | 0.58 ppb |
| San Leon Mud | 11,622 | 0 (not detected) |
| Bacliff Mud | 8,900 | 0 (not detected) |
| Galveston County Wcid 12 | 8,721 | 1.6 ppb |
| City Of Hitchcock | 8,346 | 0.78 ppb |
Next steps for Dickinson, TX
Test your own tap with a certified lab first-draw sample; Dickinson, 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 Galveston County Wcid 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. Size matters more than most people expect: small vs large water systems.