Sheridan Wsc, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.7 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.
Sheridan Wsc at a glance
Sheridan Wsc serves about 414 people through 138 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Colorado County, Texas. EPA system ID: TX0450016; phone on file: 979-234-7422. 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 up 1.17 ppb from 0.53 ppb in the period ending 2023. The highest 90th-percentile result EPA holds for Sheridan Wsc is 1.7 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.7 ppb |
| 2023 | 0.53 ppb |
| 2022 | 0.73 ppb |
How Sheridan Wsc 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. Sheridan Wsc's 1.7 ppb sits at the 78th percentile in Texas and the 66th nationally (higher means more lead).
Other water systems in Colorado County
13 other systems share Colorado County; 4 of them have a higher latest lead result than Sheridan Wsc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Columbus | 3,860 | 1.04 ppb |
| City Of Eagle Lake | 3,837 | 10.6 ppb |
| City Of Weimar | 2,226 | 3.91 ppb |
| Glidden Fwsd 1 | 855 | 0 (not detected) |
| Lake Sheridan Estates | 750 | 0 (not detected) |
| Colorado County Wcid 2 | 654 | 0 (not detected) |
| Rock Island Wsc | 230 | 0 (not detected) |
| Alleyton Water System | 201 | 0 (not detected) |
| Lazy River Mobile Home Park | 159 | 1.9 ppb |
| Happy Oaks | 150 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Sheridan, 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 Sheridan Wsc 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. The action level is dropping - the 10 ppb rule from 2027.