Greenwood Isd, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 0.71 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.
Greenwood Isd at a glance
Greenwood Isd serves about 3,945 people through 259 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 Midland County, Texas. EPA system ID: TX1650035; phone on file: 432-685-7800. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2025 (0.47 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Greenwood Isd is 8.73 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.71 ppb |
| 2025 | 0.47 ppb |
| 2024 | 3.25 ppb |
| 2024 | 2.35 ppb |
| 2023 | 0 (not detected) |
| 2022 | 8.73 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. Greenwood Isd's 0.71 ppb sits at the 58th percentile in Texas and the 47th nationally (higher means more lead).
Other water systems in Midland County
11 other systems share Midland County; 3 of them have a higher latest lead result than Greenwood Isd. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Midland Water Purification Plant | 157,000 | 3.08 ppb |
| Park Water | 1,611 | 1.1 ppb |
| Greenwood Water System | 915 | 0 (not detected) |
| Westgate Manufactured Townhome Community | 456 | 0.46 ppb |
| Warren Road Subdivision Water Supply | 195 | - |
| South Midland County Water System | 165 | - |
| Spring Meadow Mobile Home Park | 163 | 0 (not detected) |
| Greenwood Terrace M H Subdivision | 120 | - |
| Margies Mhp | 60 | 0.92 ppb |
| Countryside Acres Hoa | 45 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Midland, 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 Greenwood Isd whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1800 ppb (copper action level 1,300 ppb).
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. Systems that went over once often dip back under; here is what that means.