Strontium
City of Houston
Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | 0.359 ppb | 100 | 100 | 0.0960 ppb - 0.640 ppb |
2014 | 0.364 ppb | 99 | 99 | 0.0690 ppb - 0.650 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1,500 ppb
The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2013-07-09 | 1307298-001A | 0.360 ppb |
2013-07-09 | 1307338-001A | 0.400 ppb |
2013-07-09 | 1307286-001A | 0.540 ppb |
2013-07-09 | 1307282-001A | 0.240 ppb |
2013-07-09 | 1307283-001A | 0.360 ppb |
2013-07-09 | 1307329-001A | 0.460 ppb |
2013-07-09 | 1307285-001A | 0.1000 ppb |
2013-07-09 | 1307294-001A | 0.500 ppb |
2013-07-09 | 1307290-001A | 0.310 ppb |
2013-07-09 | 1307292-001A | 0.300 ppb |
2013-07-09 | 1307291-001A | 0.260 ppb |
2013-07-09 | 1307293-001A | 0.160 ppb |
2013-07-09 | 1307339-001A | 0.330 ppb |
2013-07-09 | 1307295-001A | 0.530 ppb |
2013-07-09 | 1307426-001A | 0.310 ppb |
2013-07-09 | 1307296-001A | 0.1000 ppb |
2013-07-09 | 1307300-001A | 0.110 ppb |
2013-07-09 | 1307425-001A | 0.320 ppb |
2013-07-09 | 1307333-001A | 0.490 ppb |
2013-07-09 | 1307284-001A | 0.590 ppb |
2013-07-10 | 1307327-001A | 0.550 ppb |
2013-07-10 | 1307334-001A | 0.380 ppb |
2013-07-10 | 1307328-001A | 0.300 ppb |
2013-07-10 | 1307335-001A | 0.290 ppb |
2013-07-10 | 1307330-001A | 0.330 ppb |
2013-07-10 | 1307337-001A | 0.330 ppb |
2013-07-10 | 1307310-001A | 0.490 ppb |
2013-07-10 | 1307331-001A | 0.640 ppb |
2013-07-10 | 1307340-001A | 0.320 ppb |
2013-07-10 | 1307332-001A | 0.460 ppb |
2013-07-10 | 1307311-001A | 0.320 ppb |
2013-07-10 | 1307341-001A | 0.270 ppb |
2013-07-11 | 1307336-001A | 0.110 ppb |
2013-07-11 | 1307304-001A | 0.280 ppb |
2013-07-16 | 1307541-001A | 0.630 ppb |
2013-07-16 | 1307534-001A | 0.550 ppb |
2013-07-16 | 1307536-001A | 0.410 ppb |
2013-07-16 | 1307553-001A | 0.330 ppb |
2013-07-16 | 1307537-001A | 0.470 ppb |
2013-07-16 | 1307535-001A | 0.220 ppb |
2013-07-16 | 1307549-001A | 0.440 ppb |
2013-07-16 | 1307555-001A | 0.580 ppb |
2013-07-16 | 1307542-001A | 0.610 ppb |
2013-07-16 | 1307550-001A | 0.540 ppb |
2013-07-16 | 1307551-001A | 0.330 ppb |
2013-07-16 | 1307554-001A | 0.530 ppb |
2013-07-16 | 1307545-001A | 0.430 ppb |
2013-07-16 | 1307544-001A | 0.520 ppb |
2013-07-16 | 1307548-001A | 0.550 ppb |
2013-07-16 | 1307538-001A | 0.320 ppb |
2013-07-16 | 1307539-001A | 0.380 ppb |
2013-07-16 | 1307540-001A | 0.460 ppb |
2013-07-16 | 1307552-001A | 0.480 ppb |
2013-07-17 | 1307587-001A | 0.560 ppb |
2013-07-17 | 1307592-001A | 0.530 ppb |
2013-07-17 | 1307593-001A | 0.370 ppb |
2013-07-17 | 1307543-001A | 0.520 ppb |
2013-07-17 | 1307588-001A | 0.500 ppb |
2013-07-17 | 1307590-001A | 0.490 ppb |
2013-07-17 | 1307594-001A | 0.500 ppb |
2013-07-17 | 1307546-001A | 0.450 ppb |
2013-07-17 | 1307547-001A | 0.510 ppb |
2013-07-17 | 1307591-001A | 0.590 ppb |
2013-07-30 | 1307A06-001A | 0.240 ppb |
2013-07-31 | 1307A07-001A | 0.420 ppb |
2013-10-15 | 1310526-001A | 0.240 ppb |
2013-10-15 | 1310596-001A | 0.240 ppb |
2013-10-15 | 1310536-001A | 0.270 ppb |
2013-10-15 | 1310525-001A | 0.260 ppb |
2013-10-15 | 1310581-001A | 0.260 ppb |
2013-10-15 | 1310532-001A | 0.140 ppb |
2013-10-15 | 1310528-001A | 0.480 ppb |
2013-10-15 | 1310529-001A | 0.260 ppb |
2013-10-15 | 1310531-001A | 0.260 ppb |
2013-10-15 | 1310530-001A | 0.250 ppb |
2013-10-15 | 1310577-001A | 0.260 ppb |
2013-10-15 | 1310534-001A | 0.1000 ppb |
2013-10-15 | 1310580-001A | 0.230 ppb |
2013-10-15 | 1310533-001A | 0.110 ppb |
2013-10-15 | 1310579-001A | 0.240 ppb |
2013-10-15 | 1310576-001A | 0.260 ppb |
2013-10-15 | 1310527-001A | 0.500 ppb |
2013-10-15 | 1310535-001A | 0.0960 ppb |
2013-10-15 | 1310524-001A | 0.230 ppb |
2013-10-15 | 1310595-001A | 0.220 ppb |
2013-10-16 | 1310592-001A | 0.520 ppb |
2013-10-16 | 1310594-001A | 0.240 ppb |
2013-10-16 | 1310597-001A | 0.330 ppb |
2013-10-16 | 1310583-001A | 0.520 ppb |
2013-10-16 | 1310582-001A | 0.250 ppb |
2013-10-16 | 1310586-001A | 0.500 ppb |
2013-10-16 | 1310584-001A | 0.220 ppb |
2013-10-16 | 1310589-001A | 0.260 ppb |
2013-10-16 | 1310591-001A | 0.290 ppb |
2013-10-16 | 1310588-001A | 0.280 ppb |
2013-10-16 | 1310590-001A | 0.250 ppb |
2013-10-16 | 1310587-001A | 0.290 ppb |
2013-10-16 | 1310585-001A | 0.230 ppb |
2013-10-16 | 1310593-001A | 0.230 ppb |
2013-11-12 | 1311454-001A | 0.280 ppb |
2014-01-21 | 1401595-001A | 0.620 ppb |
2014-01-21 | 1401602-001A | 0.400 ppb |
2014-01-21 | 1401750-001A | 0.250 ppb |
2014-01-21 | 1401596-001A | 0.410 ppb |
2014-01-21 | 1401592-001A | 0.410 ppb |
2014-01-21 | 1401597-001A | 0.380 ppb |
2014-01-21 | 1401598-001A | 0.250 ppb |
2014-01-21 | 1401600-001A | 0.260 ppb |
2014-01-21 | 1401594-001A | 0.500 ppb |
2014-01-21 | 1401590-001A | 0.0830 ppb |
2014-01-21 | 1401591-001A | 0.0690 ppb |
2014-01-21 | 1401587-001A | 0.280 ppb |
2014-01-21 | 1401589-001A | 0.0870 ppb |
2014-01-21 | 1401588-001A | 0.470 ppb |
2014-01-21 | 1401584-001A | 0.270 ppb |
2014-01-21 | 1401586-001A | 0.260 ppb |
2014-01-21 | 1401585-001A | 0.260 ppb |
2014-01-21 | 1401583-001A | 0.250 ppb |
2014-01-21 | 1401582-001A | 0.230 ppb |
2014-01-21 | 1401635-001A | 0.400 ppb |
2014-01-21 | 1401692-001A | 0.250 ppb |
2014-01-21 | 1401691-001A | 0.250 ppb |
2014-01-21 | 1401593-001A | 0.310 ppb |
2014-01-21 | 1401601-001A | 0.0710 ppb |
2014-01-21 | 1401599-001A | 0.240 ppb |
2014-01-21 | 1401693-001A | 0.550 ppb |
2014-01-21 | 1401641-001A | 0.260 ppb |
2014-01-21 | 1401603-001A | 0.250 ppb |
2014-01-22 | 1401639-001A | 0.590 ppb |
2014-01-22 | 1401637-001A | 0.460 ppb |
2014-01-22 | 1401636-001A | 0.280 ppb |
2014-01-22 | 1401634-001A | 0.560 ppb |
2014-01-22 | 1401604-001A | 0.450 ppb |
2014-01-22 | 1401638-001A | 0.650 ppb |
2014-01-22 | 1401640-001A | 0.530 ppb |
2014-02-05 | 1402322-001A | 0.540 ppb |
2014-02-05 | 1402196-001A | 0.460 ppb |
2014-02-05 | 1402205-001A | 0.620 ppb |
2014-02-05 | 1402190-001A | 0.550 ppb |
2014-02-05 | 1402211-001A | 0.540 ppb |
2014-02-05 | 1402198-001A | 0.400 ppb |
2014-02-05 | 1402193-001A | 0.540 ppb |
2014-02-05 | 1402184-001A | 0.520 ppb |
2014-02-05 | 1402199-001A | 0.270 ppb |
2014-02-05 | 1402197-001A | 0.240 ppb |
2014-02-05 | 1402201-001A | 0.420 ppb |
2014-02-05 | 1402192-001A | 0.500 ppb |
2014-02-05 | 1402185-001A | 0.470 ppb |
2014-02-05 | 1402202-001A | 0.510 ppb |
2014-02-05 | 1402186-001A | 0.330 ppb |
2014-02-05 | 1402191-001A | 0.420 ppb |
2014-02-05 | 1402187-001A | 0.540 ppb |
2014-02-05 | 1402178-001A | 0.430 ppb |
2014-02-05 | 1402179-001A | 0.470 ppb |
2014-02-05 | 1402177-001A | 0.480 ppb |
2014-02-05 | 1402182-001A | 0.490 ppb |
2014-02-05 | 1402175-001A | 0.470 ppb |
2014-02-05 | 1402180-001A | 0.310 ppb |
2014-02-05 | 1402183-001A | 0.370 ppb |
2014-02-05 | 1402181-001A | 0.250 ppb |
2014-02-05 | 1402176-001A | 0.510 ppb |
2014-02-05 | 1402195-001A | 0.560 ppb |
2014-02-05 | 1402189-001A | 0.490 ppb |
2014-02-05 | 1402188-001A | 0.580 ppb |
2014-02-05 | 1402200-001A | 0.460 ppb |
2014-03-17 | 1403595-001A | 0.490 ppb |
2014-04-14 | 1404632-001A | 0.1000 ppb |
2014-04-15 | 1404648-001A | 0.270 ppb |
2014-04-15 | 1404649-001A | 0.260 ppb |
2014-04-15 | 1404643-001A | 0.270 ppb |
2014-04-15 | 1404641-001A | 0.450 ppb |
2014-04-15 | 1404636-001A | 0.250 ppb |
2014-04-15 | 1404640-001A | 0.240 ppb |
2014-04-15 | 1404633-001A | 0.350 ppb |
2014-04-15 | 1404638-001A | 0.250 ppb |
2014-04-15 | 1404635-001A | 0.0930 ppb |
2014-04-15 | 1404637-001A | 0.280 ppb |
2014-04-15 | 1404639-001A | 0.520 ppb |
2014-04-15 | 1404631-001A | 0.270 ppb |
2014-04-15 | 1404627-001A | 0.240 ppb |
2014-04-15 | 1404645-001A | 0.0920 ppb |
2014-04-15 | 1404646-001A | 0.230 ppb |
2014-04-15 | 1404642-001A | 0.250 ppb |
2014-04-15 | 1404644-001A | 0.250 ppb |
2014-04-21 | 1404865-001A | 0.270 ppb |
2014-04-21 | 1404862-001A | 0.440 ppb |
2014-04-21 | 1404860-001A | 0.470 ppb |
2014-04-21 | 1404859-001A | 0.480 ppb |
2014-04-21 | 1404856-001A | 0.570 ppb |
2014-04-21 | 1404863-001A | 0.260 ppb |
2014-04-21 | 1404861-001A | 0.280 ppb |
2014-04-21 | 1404864-001A | 0.280 ppb |
2014-04-21 | 1404858-001A | 0.340 ppb |
2014-04-21 | 1404857-001A | 0.500 ppb |
2014-04-28 | 1404B01-001A | 0.270 ppb |
2014-04-28 | 1404A98-001A | 0.300 ppb |
2014-04-28 | 1404B04-001A | 0.270 ppb |
2014-04-28 | 1404B03-001A | 0.290 ppb |
2014-04-28 | 1404B02-001A | 0.280 ppb |