Waller County Mud 41, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 0.5 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.
Waller County Mud 41 at a glance
Waller County Mud 41 serves about 594 people through 198 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 Waller County, Texas. EPA system ID: TX2370143; phone on file: 281-240-1700. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
The highest 90th-percentile result EPA holds for Waller County Mud 41 is 0.5 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.5 ppb |
How Waller County Mud 41 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. Waller County Mud 41's 0.5 ppb sits at the 52nd percentile in Texas and the 43rd nationally (higher means more lead).
Nearby utilities
41 other systems share Waller County; 14 of them have a higher latest lead result than Waller County Mud 41. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Prairie View A&M University | 9,550 | 0.74 ppb |
| City Of Prairie View | 8,184 | 1.3 ppb |
| City Of Hempstead | 7,158 | 6.94 ppb |
| City Of Waller | 5,448 | 1.5 ppb |
| Brookshire Mwd | 5,364 | 1.92 ppb |
| G & W Wsc | 4,887 | 0 (not detected) |
| Harris-Waller Counties Mud 5 | 4,098 | 0 (not detected) |
| Willow Creek Farms Mud | 3,453 | 0 (not detected) |
| Waller County Mud 37 | 3,258 | 0.7 ppb |
| Oak Hollow Subdivision | 1,980 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Houston, 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 Waller County Mud 41 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.