River Plantation Mud, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 2.04 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.
River Plantation Mud at a glance
River Plantation Mud serves about 2,898 people through 966 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 Montgomery County, Texas. EPA system ID: TX1700028; phone on file: 936-273-4641. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2022 (1.25 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for River Plantation Mud is 2.04 ppb across 2 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.04 ppb |
| 2022 | 1.25 ppb |
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. River Plantation Mud's 2.04 ppb sits at the 83rd percentile in Texas and the 73rd nationally (higher means more lead).
Neighbouring systems
332 other systems share Montgomery County; 30 of them have a higher latest lead result than River Plantation Mud. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Conroe | 113,912 | 0 (not detected) |
| Porter Special Utility District | 26,388 | 0.59 ppb |
| Montgomery Trace Water System | 25,917 | 0.41 ppb |
| Montgomery County Mud 46 | 24,399 | 2.31 ppb |
| Montgomery County Mud 47 | 24,171 | 0.7 ppb |
| Montgomery County Mud 67 | 16,821 | 0.83 ppb |
| Montgomery County Mud 60 | 15,036 | 3.16 ppb |
| New Caney Mud | 14,307 | 1.54 ppb |
| City Of Willis | 14,133 | 0.7 ppb |
| Southern Montgomery County Mud | 13,372 | 0 (not detected) |
Next steps for Cypress, TX
Test your own tap with a certified lab first-draw sample; Cypress, 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 River Plantation Mud 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.