Brazoria County Mud 6, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 0.7 ppb (monitoring period 2023-2025). 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.
About Brazoria County Mud 6
Brazoria County Mud 6 serves about 6,926 people through 1,376 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 groundwater, in Brazoria County, Texas. EPA system ID: TX0200578; phone on file: 713-623-4531. They can tell you what your service line is made of and whether they pay to replace it.
Brazoria County Mud 6's lead record
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Brazoria County Mud 6 is 0.7 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0.7 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2016 | 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. Brazoria County Mud 6's 0.7 ppb sits at the 58th percentile in Texas and the 47th nationally (higher means more lead).
Neighbouring systems
155 other systems share Brazoria County; 48 of them have a higher latest lead result than Brazoria County Mud 6. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Pearland | 125,828 | 2.1 ppb |
| City Of Lake Jackson | 27,314 | 0 (not detected) |
| City Of Alvin | 26,244 | 0 (not detected) |
| City Of Angleton | 19,429 | 2.04 ppb |
| City Of Clute | 10,604 | 0 (not detected) |
| City Of Freeport | 10,594 | 0 (not detected) |
| City Of Iowa Colony | 9,978 | - |
| City Of Manvel | 8,437 | 0 (not detected) |
| City Of Richwood | 7,605 | 2.26 ppb |
| City Of Pearland Mud 1 | 5,947 | 1.5 ppb |
Next steps for Houston, TX
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 Brazoria County Mud 6 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. Size matters more than most people expect: small vs large water systems.