Cielo Rio Ranch Water System, TX
Lead detected, under the action levels
Latest 90th-percentile lead: 6.4 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.
Cielo Rio Ranch Water System at a glance
Cielo Rio Ranch Water System serves about 165 people through 55 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Bandera County, Texas. EPA system ID: TX0100091; phone on file: 210-688-3570. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Cielo Rio Ranch Water System's lead record
That is up 2.4 ppb from 4 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Cielo Rio Ranch Water System is 6.4 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 6.4 ppb |
| 2022 | 4 ppb |
| 2019 | 3.7 ppb |
| 2018 | 2.3 ppb |
| 2018 | 6.3 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. Cielo Rio Ranch Water System's 6.4 ppb sits at the 98th percentile in Texas and the 94th nationally (higher means more lead).
Neighbouring systems
24 other systems share Bandera County; 0 of them have a higher latest lead result than Cielo Rio Ranch Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Lake Medina Shores | 3,660 | 1 ppb |
| City Of Bandera | 3,231 | 2.02 ppb |
| Bandera County Fwsd 1 | 1,092 | 0 (not detected) |
| Bandera River Ranch 1 | 1,053 | 1.2 ppb |
| Bridlegate Subdivision | 882 | 1.2 ppb |
| Flying L Pud | 837 | 0 (not detected) |
| Lakewood Water | 816 | 0.8 ppb |
| Medina Wsc | 774 | 0.9 ppb |
| River Bend Estates | 567 | 1.3 ppb |
| Enchanted River Estates | 513 | 0.6 ppb |
Next steps for Boerne, TX
Test your own tap with a certified lab first-draw sample; Boerne, 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 Cielo Rio Ranch Water System 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.