Vanadium
San Antonio Water Company
Vanadium is a metal used in steels and other alloys. People are commonly exposed to vanadium in water and food. Excessive exposure can be toxic during pregnancy and childhood.
20
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 3.74 ppb | 8 | 7 | ND - 5.00 ppb |
| 2019 | 4.30 ppb | 1 | 1 | 4.30 ppb |
| 2020 | 3.10 ppb | 1 | 1 | 3.10 ppb |
| 2021 | 2.91 ppb | 10 | 8 | ND - 4.40 ppb |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 21 ppb
The EWG Health Guideline of 21 ppb for vanadium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-20 | CA3610085_003_003-201807201156 | 5.00 ppb |
| 2018-07-20 | CA3610085_017_017-201807200920 | 4.90 ppb |
| 2018-07-20 | CA3610085_018_018-201807200946 | 3.80 ppb |
| 2018-07-20 | CA3610085_013_013-201807200900 | 4.70 ppb |
| 2018-07-20 | CA3610085_016_016-201807201030 | 3.20 ppb |
| 2018-07-20 | CA3610085_004_004-201807201135 | 4.50 ppb |
| 2018-07-20 | CA3610085_002_002-201807200951 | 3.80 ppb |
| 2018-07-20 | CA3610085_001_001-201807201100 | ND |
| 2019-01-04 | CA3610085_011_011-201901040953 | 4.30 ppb |
| 2020-04-07 | CA3610085_021_021-202004071020 | 3.10 ppb |
| 2021-07-20 | CA3610085_011_011-202107200842 | 3.60 ppb |
| 2021-07-20 | CA3610085_013_013-202107200954 | 3.10 ppb |
| 2021-07-20 | CA3610085_017_017-202107200943 | 4.40 ppb |
| 2021-07-20 | CA3610085_003_003-202107201013 | 4.00 ppb |
| 2021-07-20 | CA3610085_018_018-202107201130 | 3.20 ppb |
| 2021-07-20 | CA3610085_001_001-202107201036 | ND |
| 2021-07-20 | CA3610085_002_002-202107201124 | 3.30 ppb |
| 2021-07-27 | CA3610085_021_021-202107271245 | ND |
| 2021-07-27 | CA3610085_016_016-202107270810 | 3.10 ppb |
| 2021-07-27 | CA3610085_004_004-202107270908 | 4.40 ppb |