What was found in Cibolo's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 492.7 µg/L 38% of the EPA limit 1300 µg/L Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| TTHM | 76.78 µg/L 96% of the EPA limit 80 µg/L Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 42.264999999999965 µg/L 70% of the EPA limit 60 µg/L Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Lithium | 37 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2023 | 1/1 | UCMR-5 |
| Dichloroacetic Acid | 34.3 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 22.46 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 22.239999999999984 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Chloroform | 17.52 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Bromoform | 13.699999999999996 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 13.125 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 8.1 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 7.2199999999999935 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Lead | 7.2039999999999935 µg/L 48% of the EPA limit 15 µg/L Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 5.839999999999999 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2019 | 1/1 | SYR4 |
| Pfba | 0.0054 µg/L No EPA limit set Main supplier: CITY OF CIBOLO · 20,331 people · 2023 | 1/1 | UCMR-5 |
| Lead | 0.0011 mg/L 7.3% of the EPA limit 0.0150 mg/L Main supplier: CITY OF CIBOLO · 20,331 people · 2025 | 1/1 | LCR |
Water suppliers serving Cibolo
| Supplier | Population served |
|---|---|
| CITY OF CIBOLO | 20,331 |
Frequently asked questions about Cibolo tap water
Is Cibolo tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Cibolo. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Cibolo?
1 public water supplier report drinking-water monitoring for Cibolo, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Cibolo's water?
The contaminants EPA monitoring detected in Cibolo include Copper, TTHM, Total Haloacetic Acids (HAA5), Lithium, Dichloroacetic Acid. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.