Town Of Prosper, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 1.98 ppb (monitoring period 2022-2024). 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.
Town Of Prosper at a glance
Town Of Prosper serves about 42,598 people through 14,997 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Collin County, Texas. EPA system ID: TX0430009; phone on file: 972-346-2640. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2021 (1.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Town Of Prosper is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 1.98 ppb |
| 2021 | 1.6 ppb |
| 2018 | 3 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. Town Of Prosper's 1.98 ppb sits at the 82nd percentile in Texas and the 69th nationally (higher means more lead).
Other water systems in Collin County
34 other systems share Collin County; 3 of them have a higher latest lead result than Town Of Prosper. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| City Of Plano | 292,059 | 1.68 ppb |
| City Of Frisco | 231,910 | 1.4 ppb |
| City Of Mckinney | 224,043 | 1.65 ppb |
| City Of Allen | 113,746 | 1.7 ppb |
| City Of Celina | 52,701 | 1.98 ppb |
| City Of Wylie | 48,393 | 1.03 ppb |
| City Of Princeton | 37,019 | 1.76 ppb |
| City Of Melissa | 26,234 | 1.43 ppb |
| Culleoka Wsc | 24,615 | 0 (not detected) |
| City Of Anna | 23,960 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Prosper, 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 Town Of Prosper 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. The action level is dropping - the 10 ppb rule from 2027.