Beryllium
San Antonio Water System
Beryllium is a toxic metal that is both naturally occurring and released into the environment from industrial pollution and incineration. Beryllium can damage lungs, bones and the digestive system.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 37 | 0 | ND |
2017 | ND | 21 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 33 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppb
The EWG Health Guideline of 1 ppb for beryllium was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.
EPA Maximum Contaminant
Level (MCL) 4 ppb
The legal limit for beryllium, established in 1992, was based on a toxicity study in laboratory animals published in 1970. This limit does not include any additional consideration of children’s health.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-05-13 | AC53956 | ND |
2014-07-29 | AC61321 | ND |
2014-09-02 | AC65419 | ND |
2014-11-25 | AC72964 | ND |
2016-01-13 | AD17796 | ND |
2016-04-05 | AD31783 | ND |
2016-04-05 | AD31777 | ND |
2016-04-05 | AD31781 | ND |
2016-04-05 | AD31785 | ND |
2016-04-05 | AD31782 | ND |
2016-04-06 | AD31988 | ND |
2016-04-06 | AD31987 | ND |
2016-04-07 | AD32239 | ND |
2016-04-07 | AD32233 | ND |
2016-04-07 | AD32223 | ND |
2016-04-07 | AD32224 | ND |
2016-04-07 | AD32229 | ND |
2016-04-07 | AD32228 | ND |
2016-06-28 | AD42066 | ND |
2016-10-06 | AD52618 | ND |
2016-10-06 | AD52617 | ND |
2016-10-31 | AD55376 | ND |
2016-10-31 | AD55375 | ND |
2016-11-02 | AD56052 | ND |
2016-11-02 | AD56058 | ND |
2016-11-02 | AD56057 | ND |
2016-11-02 | AD56056 | ND |
2016-11-03 | AD56403 | ND |
2016-11-03 | AD56408 | ND |
2016-11-03 | AD56407 | ND |
2016-11-04 | AD56736 | ND |
2016-11-04 | AD56737 | ND |
2016-11-28 | AD59164 | ND |
2016-11-28 | AD59158 | ND |
2016-11-28 | AD59163 | ND |
2016-11-28 | AD59162 | ND |
2016-11-28 | AD59161 | ND |
2016-11-29 | AD59309 | ND |
2016-11-29 | AD59314 | ND |
2016-11-29 | AD59302 | ND |
2016-11-29 | AD59301 | ND |
2017-01-30 | AD67445 | ND |
2017-01-30 | AD67441 | ND |
2017-01-30 | AD67452 | ND |
2017-02-02 | AD68311 | ND |
2017-03-06 | AD73385 | ND |
2017-03-06 | AD73384 | ND |
2017-03-29 | AD77384 | ND |
2017-03-29 | AD77380 | ND |
2017-03-29 | AD77371 | ND |
2017-03-29 | AD77379 | ND |
2017-03-29 | AD77381 | ND |
2017-03-30 | AD77695 | ND |
2017-03-30 | AD77693 | ND |
2017-03-30 | AD77696 | ND |
2017-07-06 | AD88424 | ND |
2017-07-06 | AD88423 | ND |
2017-10-17 | AE00988 | ND |
2017-12-04 | AE06516 | ND |
2017-12-05 | AE06722 | ND |
2017-12-05 | AE06721 | ND |
2017-12-08 | AE07388 | ND |
2018-03-01 | AE16254 | ND |
2019-01-30 | AE52135 | ND |
2019-01-31 | AE52378 | ND |
2019-01-31 | AE52377 | ND |
2019-03-07 | AE57535 | ND |
2019-03-07 | AE57534 | ND |
2019-03-28 | AE60415 | ND |
2019-03-28 | AE60416 | ND |
2019-04-23 | AE63297 | ND |
2019-04-23 | AE63298 | ND |
2019-04-25 | AE63669 | ND |
2019-04-25 | AE63670 | ND |
2019-05-21 | AE67304 | ND |
2019-05-21 | AE67307 | ND |
2019-05-21 | AE67306 | ND |
2019-05-21 | AE67305 | ND |
2019-08-13 | AE78239 | ND |
2019-11-13 | AE89065 | ND |
2019-11-14 | AE89235 | ND |
2019-11-14 | AE89229 | ND |
2019-11-14 | AE89236 | ND |
2019-11-14 | AE89232 | ND |
2019-11-25 | AE90340 | ND |
2019-11-25 | AE90344 | ND |
2019-11-25 | AE90341 | ND |
2019-11-25 | AE90343 | ND |
2019-11-25 | AE90342 | ND |
2019-11-26 | AE90540 | ND |
2019-11-26 | AE90541 | ND |
2019-12-10 | AE91812 | ND |
2019-12-10 | AE91811 | ND |
2019-12-10 | AE91813 | ND |
2019-12-11 | AE92086 | ND |
2019-12-11 | AE92082 | ND |