Chromium (hexavalent)
Victorville Water District
Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).
614
Samples
0
Samples exceeding legal limit (MCL)
520
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 4.72 ppb | 52 | 49 | ND - 9.40 ppb |
| 2014 | 5.63 ppb | 52 | 48 | ND - 21.0 ppb |
| 2015 | 4.36 ppb | 102 | 82 | ND - 12.0 ppb |
| 2016 | 3.91 ppb | 94 | 77 | ND - 8.40 ppb |
| 2017 | 4.06 ppb | 91 | 74 | ND - 9.10 ppb |
| 2018 | 4.28 ppb | 126 | 106 | ND - 22.0 ppb |
| 2019 | 4.35 ppb | 97 | 84 | ND - 13.0 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.02 ppb
The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) 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 cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-02-07 | B3B0742-05A | 2.70 ppb |
| 2013-02-07 | B3B0742-03A | 8.80 ppb |
| 2013-02-07 | B3B0742-01A | 4.20 ppb |
| 2013-02-12 | B3B1221-01A | 3.00 ppb |
| 2013-02-12 | B3B1222-01A | 5.40 ppb |
| 2013-02-12 | B3B1220-01A | 1.30 ppb |
| 2013-02-14 | B3B1469-01A | 9.40 ppb |
| 2013-02-14 | B3B1471-01A | 4.30 ppb |
| 2013-02-25 | B3B2365-01A | 8.10 ppb |
| 2013-02-25 | B3B2365-05A | 2.60 ppb |
| 2013-02-25 | B3B2365-03A | 4.90 ppb |
| 2013-02-26 | B3B2535-09A | 3.50 ppb |
| 2013-02-26 | B3B2535-05A | 0.550 ppb |
| 2013-02-26 | B3B2535-03A | 6.00 ppb |
| 2013-02-26 | B3B2535-13A | 8.40 ppb |
| 2013-02-26 | B3B2535-17A | 6.80 ppb |
| 2013-02-26 | B3B2535-07A | 4.40 ppb |
| 2013-02-26 | B3B2535-15A | 4.50 ppb |
| 2013-02-26 | B3B2535-01A | 7.90 ppb |
| 2013-02-26 | B3B2535-11A | 0.0330 ppb |
| 2013-02-27 | B3B2664-07A | 8.60 ppb |
| 2013-02-27 | B3B2664-01A | 7.10 ppb |
| 2013-02-27 | B3B2664-03A | 7.00 ppb |
| 2013-02-27 | B3B2664-05A | 8.00 ppb |
| 2013-02-28 | B3B2744-01A | ND |
| 2013-06-27 | B3F2922-01 | 8.40 ppb |
| 2013-08-01 | B3H0062-05 | 4.80 ppb |
| 2013-08-01 | B3H0062-07 | 2.30 ppb |
| 2013-08-01 | B3H0062-11 | 8.30 ppb |
| 2013-08-01 | B3H0062-09 | 3.60 ppb |
| 2013-08-01 | B3H0062-15 | 4.00 ppb |
| 2013-08-01 | B3H0062-13 | 1.90 ppb |
| 2013-08-01 | B3H0062-01 | ND |
| 2013-08-05 | B3H0329-13 | 7.90 ppb |
| 2013-08-05 | B3H0329-05 | 3.70 ppb |
| 2013-08-05 | B3H0329-17 | 8.30 ppb |
| 2013-08-05 | B3H0329-01 | 6.80 ppb |
| 2013-08-05 | B3H0329-09 | 4.20 ppb |
| 2013-08-07 | B3H0790-05 | 3.40 ppb |
| 2013-08-07 | B3H0790-09 | 3.40 ppb |
| 2013-08-07 | B3H0790-01 | 1.20 ppb |
| 2013-08-07 | B3H0790-13 | ND |
| 2013-08-13 | B3H1327-01 | 9.40 ppb |
| 2013-08-13 | B3H1327-05 | 5.10 ppb |
| 2013-08-13 | B3H1327-09 | 8.20 ppb |
| 2013-08-14 | B3H1478-01 | 4.00 ppb |
| 2013-08-14 | B3H1478-05 | 2.60 ppb |
| 2013-08-20 | B3H2077-01 | 0.580 ppb |
| 2013-08-21 | B3H2163-09 | 3.80 ppb |
| 2013-08-21 | B3H2163-13 | 6.00 ppb |
| 2013-08-21 | B3H2163-01 | 3.10 ppb |
| 2013-08-21 | B3H2163-05 | 2.80 ppb |
| 2014-04-08 | 4790-018-0930 | 8.80 ppb |
| 2014-04-08 | 4790-024-0900 | 8.40 ppb |
| 2014-04-08 | 4790-031-1000 | 1.60 ppb |
| 2014-04-17 | 4790-029-1010 | 0.270 ppb |
| 2014-04-17 | 4790-034-1130 | 9.40 ppb |
| 2014-06-19 | 3761-027-1300 | 21.0 ppb |
| 2014-07-03 | 3761-040-1230 | 6.20 ppb |
| 2014-07-03 | 3761-041-1230 | 6.10 ppb |
| 2014-07-03 | 3761-042-1220 | 11.0 ppb |
| 2014-07-15 | 3761-007-1010 | 4.30 ppb |
| 2014-07-15 | 3761-014-0815 | 4.10 ppb |
| 2014-07-15 | 3761-017-0830 | 2.80 ppb |
| 2014-07-15 | 3761-018-1020 | 8.90 ppb |
| 2014-07-15 | 3761-027-0920 | 11.0 ppb |
| 2014-07-15 | 3761-037-1225 | 3.80 ppb |
| 2014-07-16 | 3761-012-1030 | 6.70 ppb |
| 2014-07-17 | 3761-019-1000 | 2.30 ppb |
| 2014-07-17 | 3761-033-0800 | 3.80 ppb |
| 2014-07-22 | 3761-015-0840 | 1.30 ppb |
| 2014-07-22 | 3761-016-0930 | ND |
| 2014-07-22 | 3761-028-1015 | 5.80 ppb |
| 2014-07-22 | 3761-038-1030 | 3.00 ppb |
| 2014-07-22 | 3761-039-1130 | 7.80 ppb |
| 2014-07-23 | 3761-020-0905 | 7.40 ppb |
| 2014-07-23 | 3761-023-0855 | 4.20 ppb |
| 2014-07-23 | 3761-048-1200 | 6.90 ppb |
| 2014-08-12 | 3761-044-0830 | 8.80 ppb |
| 2014-08-12 | 3761-048-0900 | 2.40 ppb |
| 2014-08-12 | 3761-052-1200 | 8.30 ppb |
| 2014-08-19 | 3761-029-0900 | ND |
| 2014-08-20 | 3761-030-0900 | 2.80 ppb |
| 2014-08-20 | 3761-035-0815 | 4.00 ppb |
| 2014-09-16 | 3761-031-0815 | 1.10 ppb |
| 2014-10-08 | 3761-033-1030 | 4.00 ppb |
| 2014-10-09 | 3761-014-1130 | 4.80 ppb |
| 2014-10-09 | 3761-020-1100 | 8.10 ppb |
| 2014-10-09 | 3761-023-1030 | 4.70 ppb |
| 2014-10-09 | 3761-029-0730 | ND |
| 2014-10-09 | 3761-044-0900 | 9.70 ppb |
| 2014-10-22 | 3761-012-1345 | 8.70 ppb |
| 2014-10-22 | 3761-015-0815 | 1.50 ppb |
| 2014-10-22 | 3761-016-0800 | ND |
| 2014-10-22 | 3761-028-1130 | 7.60 ppb |
| 2014-10-22 | 3761-032-0840 | 4.60 ppb |
| 2014-11-25 | 3761-012-1230 | 7.90 ppb |
| 2014-11-25 | 3761-014-1120 | 4.80 ppb |
| 2014-11-25 | 3761-017-1140 | 3.20 ppb |
| 2014-11-25 | 3761-033-1100 | 4.50 ppb |
| 2014-11-25 | 3761-034-1030 | 11.0 ppb |
| 2014-11-25 | 3761-037-1200 | 4.60 ppb |
| 2014-11-25 | 3761-039-1300 | 8.80 ppb |
| 2014-11-25 | 3761-042-1010 | 10.00 ppb |
| 2015-01-06 | 3761-007-1015 | 4.70 ppb |
| 2015-01-06 | 3761-017-1100 | 3.20 ppb |
| 2015-01-06 | 3761-033-0945 | 4.30 ppb |
| 2015-01-06 | 3761-034-0930 | 11.0 ppb |
| 2015-01-06 | 3761-044-0905 | 9.40 ppb |
| 2015-01-13 | 3761-035-1100 | 5.40 ppb |
| 2015-01-13 | 3761-042-0900 | 7.30 ppb |
| 2015-01-13 | 3761-048-0900 | 3.10 ppb |
| 2015-01-14 | 3761-012-1130 | 8.20 ppb |
| 2015-01-14 | 3761-038-1245 | 3.70 ppb |
| 2015-01-14 | 3761-039-1100 | 9.80 ppb |
| 2015-01-21 | 3761-015-1200 | 1.40 ppb |
| 2015-01-21 | 3761-016-1215 | ND |
| 2015-01-21 | 3761-030-1245 | 2.60 ppb |
| 2015-01-21 | 3761-032-1330 | 4.30 ppb |
| 2015-01-21 | 3761-052-0900 | 9.30 ppb |
| 2015-01-27 | 3761-020-0930 | 7.00 ppb |
| 2015-01-27 | 3761-028-1230 | 6.10 ppb |
| 2015-01-27 | 3761-031-1000 | 1.70 ppb |
| 2015-01-27 | 3761-037-1145 | 4.10 ppb |
| 2015-02-03 | 3761-029-1045 | ND |
| 2015-02-04 | 3761-014-0830 | 4.30 ppb |
| 2015-02-04 | 3761-019-0930 | 3.60 ppb |
| 2015-02-11 | 4790-029-0830 | ND |
| 2015-02-11 | 4790-031-0930 | 1.30 ppb |
| 2015-02-11 | 4790-034-0900 | 8.80 ppb |
| 2015-02-18 | 3761-046-0910 | 5.30 ppb |
| 2015-02-18 | 3761-047-0850 | 7.90 ppb |
| 2015-02-18 | 3761-049-0915 | ND |
| 2015-02-18 | 3761-058-0930 | 6.10 ppb |
| 2015-02-18 | 3761-059-0930 | ND |
| 2015-02-18 | 3761-060-0930 | ND |
| 2015-02-24 | 3761-024-1030 | 8.50 ppb |
| 2015-04-07 | 3761-017-1120 | 3.00 ppb |
| 2015-04-07 | 3761-031-0830 | ND |
| 2015-04-07 | 3761-037-1100 | 4.50 ppb |
| 2015-04-07 | 3761-044-0700 | 8.70 ppb |
| 2015-04-08 | 3761-033-1100 | 3.70 ppb |
| 2015-04-08 | 3761-046-0910 | 6.10 ppb |
| 2015-04-08 | 3761-047-0920 | 8.00 ppb |
| 2015-04-08 | 3761-048-0815 | 6.50 ppb |
| 2015-04-08 | 3761-049-0935 | ND |
| 2015-04-08 | 3761-052-1200 | 5.60 ppb |
| 2015-04-13 | 3761-015-0910 | 1.30 ppb |
| 2015-04-13 | 3761-016-1000 | ND |
| 2015-04-14 | 3761-012-1130 | 7.10 ppb |
| 2015-04-14 | 3761-028-1310 | 6.20 ppb |
| 2015-04-15 | 3761-038-0000 | 3.30 ppb |
| 2015-04-15 | 3761-039-1050 | 7.10 ppb |
| 2015-04-21 | 3761-014-0910 | 4.20 ppb |
| 2015-04-21 | 3761-020-0830 | 7.00 ppb |
| 2015-04-21 | 3761-024-0850 | 9.10 ppb |
| 2015-04-21 | 3761-030-1045 | 2.80 ppb |
| 2015-04-21 | 3761-032-0935 | 4.00 ppb |
| 2015-04-21 | 3761-035-1230 | 3.90 ppb |
| 2015-04-22 | 3761-007-1315 | 3.10 ppb |
| 2015-04-22 | 3761-019-1245 | 2.50 ppb |
| 2015-04-22 | 3761-029-1330 | ND |
| 2015-04-22 | 3761-035-1400 | 4.20 ppb |
| 2015-04-29 | 3761-034-1215 | 12.0 ppb |
| 2015-07-01 | 3761-007-0845 | 4.30 ppb |
| 2015-07-01 | 3761-031-0820 | ND |
| 2015-07-01 | 3761-044-0730 | 8.30 ppb |
| 2015-07-15 | 3761-015-0852 | 1.30 ppb |
| 2015-07-15 | 3761-016-1019 | ND |
| 2015-07-15 | 3761-020-1056 | 7.00 ppb |
| 2015-07-15 | 3761-029-1135 | ND |
| 2015-07-15 | 3761-030-1325 | 2.80 ppb |
| 2015-07-15 | 3761-032-0826 | 3.80 ppb |
| 2015-07-15 | 3761-035-1005 | 2.40 ppb |
| 2015-07-15 | 3761-038-1345 | 3.30 ppb |
| 2015-07-21 | 3761-012-0930 | 6.40 ppb |
| 2015-07-21 | 3761-039-1030 | 6.40 ppb |
| 2015-07-21 | 3761-052-1100 | 5.50 ppb |
| 2015-07-22 | 4790-024-0900 | 8.40 ppb |
| 2015-07-22 | 3761-028-0830 | 6.50 ppb |
| 2015-07-22 | 4790-029-1000 | ND |
| 2015-07-22 | 4790-031-1030 | 1.40 ppb |
| 2015-08-27 | 3761-047-1200 | 8.10 ppb |
| 2015-10-02 | 3761-048-1245 | ND |
| 2015-10-13 | 3761-028-1245 | 6.70 ppb |
| 2015-10-13 | 3761-033-0900 | 4.50 ppb |
| 2015-10-13 | 3761-037-0930 | 4.60 ppb |
| 2015-10-13 | 3761-038-1130 | 3.50 ppb |
| 2015-10-13 | 3761-052-1105 | 5.70 ppb |
| 2015-10-14 | 3761-007-0700 | 4.60 ppb |
| 2015-10-14 | 3761-024-1000 | 9.40 ppb |
| 2015-10-14 | 3761-029-0900 | ND |
| 2015-10-14 | 3761-031-0800 | ND |
| 2015-10-20 | 3761-012-1230 | 6.50 ppb |
| 2015-10-20 | 3761-015-1030 | 1.40 ppb |
| 2015-10-20 | 3761-016-1130 | ND |
| 2015-10-20 | 3761-017-1200 | 2.90 ppb |
| 2015-10-20 | 3761-034-1200 | 9.10 ppb |
| 2015-10-20 | 3761-039-1330 | 7.10 ppb |
| 2015-10-21 | 3761-014-0900 | 6.10 ppb |
| 2015-10-21 | 3761-020-1030 | 6.40 ppb |
| 2015-10-21 | 3761-030-1330 | 2.90 ppb |
| 2015-10-21 | 3761-048-1000 | ND |
| 2015-10-21 | 3761-049-1200 | ND |
| 2015-10-27 | 3761-032-0730 | 3.90 ppb |
| 2015-10-28 | 3761-047-0900 | 7.50 ppb |
| 2016-01-05 | 3761-016-1000 | ND |
| 2016-01-05 | 3761-028-0900 | 6.70 ppb |
| 2016-01-05 | 3761-033-0900 | 4.70 ppb |
| 2016-01-05 | 3761-037-1100 | 4.50 ppb |
| 2016-01-12 | 3761-031-0930 | 1.20 ppb |
| 2016-01-12 | 4790-031-0930 | 1.10 ppb |
| 2016-01-12 | 3761-048-1040 | 7.60 ppb |
| 2016-01-12 | 3761-052-1310 | 3.10 ppb |
| 2016-01-13 | 3761-007-1130 | 6.30 ppb |
| 2016-01-13 | 3761-015-0950 | 1.90 ppb |
| 2016-01-13 | 3761-016-1000 | ND |
| 2016-01-13 | 3761-017-1300 | 5.80 ppb |
| 2016-01-13 | 3761-029-0740 | ND |
| 2016-01-26 | 3761-014-1000 | 7.30 ppb |
| 2016-01-26 | 3761-020-1240 | 7.50 ppb |
| 2016-01-26 | 3761-032-1320 | 5.80 ppb |
| 2016-01-26 | 3761-049-1030 | ND |
| 2016-01-27 | 3761-012-1200 | 6.70 ppb |
| 2016-01-27 | 3761-030-0930 | 3.20 ppb |
| 2016-01-27 | 3761-038-1100 | 3.50 ppb |
| 2016-01-27 | 3761-039-1300 | 7.80 ppb |
| 2016-02-03 | 3761-029-1000 | ND |
| 2016-04-06 | 3761-029-1300 | ND |
| 2016-04-06 | 3761-033-1100 | 4.90 ppb |
| 2016-04-06 | 3761-037-1000 | 5.00 ppb |
| 2016-04-06 | 3761-048-0900 | 6.90 ppb |
| 2016-04-12 | 3761-015-1300 | 1.30 ppb |
| 2016-04-12 | 3761-016-1230 | ND |
| 2016-04-12 | 3761-038-1040 | 3.60 ppb |
| 2016-04-13 | 3761-007-0830 | 4.90 ppb |
| 2016-04-13 | 3761-014-1200 | 4.60 ppb |
| 2016-04-13 | 3761-028-1000 | 7.20 ppb |
| 2016-04-19 | 3761-020-0800 | 7.30 ppb |
| 2016-04-19 | 3761-030-1230 | 2.90 ppb |
| 2016-04-19 | 3761-032-1245 | 4.70 ppb |
| 2016-04-20 | 3761-012-1000 | 6.20 ppb |
| 2016-04-20 | 3761-017-0900 | 2.80 ppb |
| 2016-04-20 | 3761-038-1100 | 3.50 ppb |
| 2016-04-20 | 3761-052-1300 | 4.90 ppb |
| 2016-04-26 | 3761-039-1300 | 6.70 ppb |
| 2016-04-26 | 3761-047-1030 | 6.60 ppb |
| 2016-04-26 | 3761-049-1200 | ND |
| 2016-05-24 | 3761-019-0720 | 1.20 ppb |
| 2016-05-25 | 3761-031-0900 | 1.30 ppb |
| 2016-06-20 | 3761-023-0930 | 4.10 ppb |
| 2016-06-21 | 3761-023-0930 | 4.10 ppb |
| 2016-07-06 | 3761-031-0746 | 1.10 ppb |
| 2016-07-06 | 3761-033-0740 | 4.70 ppb |
| 2016-07-06 | 3761-048-0835 | 7.10 ppb |
| 2016-07-12 | 3761-007-0922 | 4.90 ppb |
| 2016-07-12 | 3761-014-0820 | 4.40 ppb |
| 2016-07-12 | 3761-017-1105 | 2.80 ppb |
| 2016-07-12 | 3761-019-1010 | 2.60 ppb |
| 2016-07-12 | 3761-020-0945 | 7.40 ppb |
| 2016-07-12 | 3761-023-0950 | 4.20 ppb |
| 2016-07-12 | 3761-044-1245 | ND |
| 2016-07-12 | 3761-052-1345 | 5.60 ppb |
| 2016-07-13 | 3761-012-1030 | 6.60 ppb |
| 2016-07-13 | 3761-028-1300 | 6.10 ppb |
| 2016-07-13 | 3761-038-1240 | 3.50 ppb |
| 2016-07-13 | 3761-039-1140 | 7.40 ppb |
| 2016-07-19 | 3761-015-1115 | 1.30 ppb |
| 2016-07-19 | 3761-016-1125 | ND |
| 2016-07-19 | 3761-029-0755 | ND |
| 2016-07-19 | 3761-030-1145 | 2.80 ppb |
| 2016-07-19 | 3761-032-1135 | 4.10 ppb |
| 2016-07-20 | 3761-046-1125 | 3.40 ppb |
| 2016-07-20 | 3761-047-1140 | 8.40 ppb |
| 2016-07-20 | 3761-049-1100 | ND |
| 2016-07-26 | 3761-037-0955 | 4.70 ppb |
| 2016-10-04 | 3761-037-0820 | 4.90 ppb |
| 2016-10-04 | 3761-044-1220 | ND |
| 2016-10-04 | 3761-048-0755 | 7.40 ppb |
| 2016-10-04 | 3761-052-1145 | 4.30 ppb |
| 2016-10-05 | 3761-012-1025 | 6.70 ppb |
| 2016-10-05 | 3761-029-1215 | ND |
| 2016-10-05 | 3761-033-1300 | 5.00 ppb |
| 2016-10-05 | 3761-039-1025 | 7.60 ppb |
| 2016-10-12 | 3761-007-0615 | 5.20 ppb |
| 2016-10-12 | 3761-023-0615 | 4.40 ppb |
| 2016-10-12 | 3761-028-1320 | 7.80 ppb |
| 2016-10-12 | 3761-046-1235 | 4.20 ppb |
| 2016-10-12 | 3761-047-1225 | 8.10 ppb |
| 2016-10-12 | 3761-049-1245 | ND |
| 2016-10-18 | 3761-014-1055 | 4.50 ppb |
| 2016-10-18 | 3761-015-0650 | 1.40 ppb |
| 2016-10-18 | 3761-016-0650 | ND |
| 2016-10-18 | 3761-017-1030 | 3.00 ppb |
| 2016-10-18 | 3761-030-0705 | 3.00 ppb |
| 2016-10-18 | 3761-032-0705 | 4.20 ppb |
| 2016-10-18 | 3761-038-1115 | 3.50 ppb |
| 2016-10-19 | 3761-019-1325 | ND |
| 2016-10-19 | 3761-020-1155 | 8.00 ppb |
| 2016-10-19 | 3761-031-1320 | 1.90 ppb |
| 2017-01-04 | 3761-044-0715 | 7.20 ppb |
| 2017-01-04 | 3761-046-1235 | 4.40 ppb |
| 2017-01-04 | 3761-047-1220 | 9.10 ppb |
| 2017-01-04 | 3761-048-0740 | 8.10 ppb |
| 2017-01-04 | 3761-049-1245 | ND |
| 2017-01-04 | 3761-052-1015 | 3.80 ppb |
| 2017-01-09 | 3761-020-1349 | 7.80 ppb |
| 2017-01-09 | 3761-031-1245 | 1.70 ppb |
| 2017-01-09 | 3761-033-1200 | 5.30 ppb |
| 2017-01-10 | 3761-028-1355 | 7.70 ppb |
| 2017-01-10 | 3761-038-1345 | 4.30 ppb |
| 2017-01-11 | 4790-029-0630 | ND |
| 2017-01-11 | 4790-031-0730 | 1.60 ppb |
| 2017-01-17 | 3761-015-0955 | 1.30 ppb |
| 2017-01-17 | 3761-016-1010 | ND |
| 2017-01-18 | 3761-012-1015 | 7.20 ppb |
| 2017-01-18 | 3761-014-0755 | 3.80 ppb |
| 2017-01-18 | 3761-019-1100 | 3.20 ppb |
| 2017-01-18 | 3761-023-1030 | 4.80 ppb |
| 2017-01-18 | 3761-030-0655 | 3.00 ppb |
| 2017-01-18 | 3761-032-0715 | 4.70 ppb |
| 2017-01-18 | 3761-037-1145 | 4.90 ppb |
| 2017-01-18 | 3761-039-1000 | 8.20 ppb |
| 2017-01-24 | 3761-007-0830 | 6.70 ppb |
| 2017-01-24 | 3761-029-0800 | ND |
| 2017-03-23 | 3761-017-1400 | 3.00 ppb |
| 2017-04-05 | 3761-007-1152 | 5.80 ppb |
| 2017-04-05 | 3761-014-1220 | 4.60 ppb |
| 2017-04-05 | 3761-017-1247 | 2.90 ppb |
| 2017-04-05 | 3761-023-1121 | 3.80 ppb |
| 2017-04-05 | 3761-033-0932 | 5.00 ppb |
| 2017-04-05 | 3761-037-1402 | 5.10 ppb |
| 2017-04-10 | 3761-019-0651 | 2.90 ppb |
| 2017-04-12 | 3761-044-0816 | 7.30 ppb |
| 2017-04-12 | 3761-048-1305 | 6.50 ppb |
| 2017-04-12 | 3761-052-0845 | 4.60 ppb |
| 2017-04-17 | 3761-029-1300 | ND |
| 2017-04-19 | 3761-015-0846 | 1.20 ppb |
| 2017-04-19 | 3761-016-0800 | ND |
| 2017-04-19 | 3761-030-0915 | 2.90 ppb |
| 2017-04-19 | 3761-032-0945 | 4.20 ppb |
| 2017-04-26 | 3761-012-1350 | 6.20 ppb |
| 2017-04-26 | 3761-038-1040 | 3.80 ppb |
| 2017-04-26 | 3761-039-1150 | 6.90 ppb |
| 2017-04-26 | 3761-046-1005 | 4.70 ppb |
| 2017-04-26 | 3761-047-0955 | 8.20 ppb |
| 2017-04-26 | 3761-049-1015 | ND |
| 2017-07-03 | 3761-033-1255 | 4.50 ppb |
| 2017-07-03 | 3761-037-1420 | 5.00 ppb |
| 2017-07-03 | 3761-044-0925 | 6.90 ppb |
| 2017-07-03 | 3761-047-1115 | 8.30 ppb |
| 2017-07-03 | 3761-048-0855 | 6.90 ppb |
| 2017-07-05 | 3761-014-1420 | 4.50 ppb |
| 2017-07-05 | 3761-017-1435 | 2.70 ppb |
| 2017-07-05 | 3761-023-1135 | 4.00 ppb |
| 2017-07-05 | 3761-029-0915 | ND |
| 2017-07-12 | 3761-015-0720 | 1.20 ppb |
| 2017-07-12 | 3761-016-0830 | ND |
| 2017-07-12 | 3761-030-0930 | 3.30 ppb |
| 2017-07-12 | 3761-032-1015 | 4.40 ppb |
| 2017-07-18 | 3761-038-0830 | 3.60 ppb |
| 2017-07-19 | 3761-012-0830 | 4.80 ppb |
| 2017-07-19 | 3761-039-1130 | 5.20 ppb |
| 2017-07-25 | 4790-029-0830 | ND |
| 2017-07-31 | 3761-020-1230 | 7.20 ppb |
| 2017-08-30 | 3761-031-1100 | ND |
| 2017-08-30 | 4790-031-1101 | ND |
| 2017-09-28 | 3761-020-0900 | 8.60 ppb |
| 2017-10-02 | 3761-007-0605 | 5.60 ppb |
| 2017-10-02 | 3761-023-0615 | 4.40 ppb |
| 2017-10-03 | 3761-044-0555 | 7.10 ppb |
| 2017-10-03 | 3761-048-0530 | 6.60 ppb |
| 2017-10-03 | 3761-052-0755 | 5.10 ppb |
| 2017-10-04 | 3761-017-1130 | 2.30 ppb |
| 2017-10-04 | 3761-029-0605 | ND |
| 2017-10-04 | 3761-031-0620 | ND |
| 2017-10-04 | 3761-033-0645 | 4.70 ppb |
| 2017-10-16 | 3761-014-1337 | 4.40 ppb |
| 2017-10-17 | 3761-015-0800 | 1.40 ppb |
| 2017-10-17 | 3761-016-0900 | ND |
| 2017-10-17 | 3761-030-1100 | 3.60 ppb |
| 2017-10-17 | 3761-032-1130 | 4.50 ppb |
| 2017-10-18 | 3761-020-0927 | 6.30 ppb |
| 2017-10-23 | 3761-037-1230 | 3.30 ppb |
| 2017-10-24 | 3761-046-1030 | 4.40 ppb |
| 2017-10-24 | 3761-047-0945 | 8.30 ppb |
| 2017-10-24 | 3761-049-0920 | ND |
| 2017-10-25 | 3761-012-1330 | 6.20 ppb |
| 2017-10-25 | 3761-038-1020 | 4.20 ppb |
| 2017-10-25 | 3761-039-1340 | 7.20 ppb |
| 2017-10-30 | 3761-019-1200 | ND |
| 2018-01-03 | 3761-031-1100 | 1.10 ppb |
| 2018-01-03 | 3761-052-1330 | 3.20 ppb |
| 2018-01-08 | 3761-037-1340 | 4.60 ppb |
| 2018-01-16 | 3761-007-1030 | 7.90 ppb |
| 2018-01-16 | 3761-014-1410 | 4.10 ppb |
| 2018-01-16 | 3761-017-1000 | 2.80 ppb |
| 2018-01-16 | 3761-019-1100 | 5.20 ppb |
| 2018-01-16 | 3761-020-1200 | 7.30 ppb |
| 2018-01-16 | 3761-029-1400 | ND |
| 2018-01-18 | 3761-030-1315 | 2.70 ppb |
| 2018-01-18 | 3761-032-1230 | 4.60 ppb |
| 2018-01-22 | 3761-023-0600 | 4.10 ppb |
| 2018-01-23 | 3761-046-0945 | 4.80 ppb |
| 2018-01-23 | 3761-047-1300 | 9.00 ppb |
| 2018-01-23 | 3761-048-0815 | 5.30 ppb |
| 2018-01-23 | 3761-049-1030 | ND |
| 2018-01-24 | 3761-015-1315 | 1.20 ppb |
| 2018-01-24 | 3761-016-1300 | ND |
| 2018-01-29 | 3761-012-1230 | 7.10 ppb |
| 2018-01-29 | 3761-033-0930 | 4.60 ppb |
| 2018-01-29 | 3761-038-1000 | 5.00 ppb |
| 2018-01-29 | 3761-039-1130 | 7.90 ppb |
| 2018-01-30 | 3761-044-1030 | ND |
| 2018-04-02 | 3761-014-1415 | 4.60 ppb |
| 2018-04-02 | 3761-017-1430 | 2.90 ppb |
| 2018-04-02 | 3761-029-1051 | ND |
| 2018-04-02 | 3761-030-0605 | ND |
| 2018-04-03 | 3761-052-1040 | 7.70 ppb |
| 2018-04-04 | 3761-048-1100 | 6.80 ppb |
| 2018-04-09 | 3761-007-1045 | 5.20 ppb |
| 2018-04-09 | 3761-023-1015 | 4.00 ppb |
| 2018-04-09 | 3761-031-1230 | ND |
| 2018-04-09 | 3761-033-1130 | 3.70 ppb |
| 2018-04-09 | 3761-044-0930 | 7.60 ppb |
| 2018-04-10 | 3761-037-1321 | 4.10 ppb |
| 2018-04-11 | 3761-012-1030 | 6.70 ppb |
| 2018-04-11 | 3761-038-1020 | 3.80 ppb |
| 2018-04-11 | 3761-039-1115 | 7.70 ppb |
| 2018-04-16 | 3761-015-0930 | 1.10 ppb |
| 2018-04-16 | 3761-016-0945 | ND |
| 2018-04-16 | 3761-019-1030 | 2.80 ppb |
| 2018-04-16 | 3761-020-1230 | 9.60 ppb |
| 2018-04-16 | 3761-033-1200 | 3.70 ppb |
| 2018-04-18 | 3761-046-1205 | ND |
| 2018-04-18 | 3761-047-1125 | 8.40 ppb |
| 2018-04-18 | 3761-049-1145 | 4.60 ppb |
| 2018-06-05 | 3761-035-1400 | 3.80 ppb |
| 2018-06-25 | 3761-034-1200 | 11.0 ppb |
| 2018-07-02 | 3761-007-1330 | 4.80 ppb |
| 2018-07-02 | 3761-014-1405 | 4.50 ppb |
| 2018-07-02 | 3761-019-1210 | 2.50 ppb |
| 2018-07-02 | 3761-029-1110 | ND |
| 2018-07-02 | 3761-031-1251 | 1.000 ppb |
| 2018-07-02 | 3761-035-1145 | 4.10 ppb |
| 2018-07-09 | 3761-015-0930 | 1.10 ppb |
| 2018-07-09 | 3761-016-1030 | ND |
| 2018-07-09 | 3761-044-1030 | 7.00 ppb |
| 2018-07-09 | 3761-048-1000 | 6.80 ppb |
| 2018-07-09 | 3761-052-1200 | 5.60 ppb |
| 2018-07-16 | 3761-023-1100 | 3.90 ppb |
| 2018-07-16 | 3761-046-1200 | 4.80 ppb |
| 2018-07-16 | 3761-047-1300 | 7.60 ppb |
| 2018-07-16 | 3761-049-1000 | ND |
| 2018-07-23 | 3761-019-0945 | 2.40 ppb |
| 2018-07-23 | 3761-020-1200 | 7.20 ppb |
| 2018-07-23 | 3761-029-1040 | ND |
| 2018-07-23 | 3761-030-1345 | 3.80 ppb |
| 2018-07-23 | 3761-033-1130 | 3.50 ppb |
| 2018-07-24 | 3761-034-0800 | 11.0 ppb |
| 2018-07-30 | 3761-012-1200 | 5.40 ppb |
| 2018-07-30 | 3761-017-0800 | 2.60 ppb |
| 2018-07-30 | 3761-037-0825 | 4.60 ppb |
| 2018-07-30 | 3761-038-1300 | 3.50 ppb |
| 2018-07-30 | 3761-039-1000 | 6.10 ppb |
| 2018-08-06 | 3761-012-1230 | 5.00 ppb |
| 2018-08-06 | 3761-015-1000 | 1.10 ppb |
| 2018-08-06 | 3761-016-1030 | ND |
| 2018-08-06 | 3761-017-0935 | 2.60 ppb |
| 2018-08-06 | 3761-019-0900 | 2.40 ppb |
| 2018-08-06 | 3761-033-0605 | 3.80 ppb |
| 2018-08-06 | 3761-035-0930 | 3.90 ppb |
| 2018-08-06 | 3761-038-1130 | 3.40 ppb |
| 2018-08-13 | 3761-032-0805 | 1.30 ppb |
| 2018-08-13 | 3761-039-1330 | 6.00 ppb |
| 2018-08-15 | 3761-007-1000 | 4.60 ppb |
| 2018-08-15 | 3761-014-1021 | 4.30 ppb |
| 2018-08-15 | 3761-020-1110 | 7.50 ppb |
| 2018-08-15 | 3761-023-1040 | 3.90 ppb |
| 2018-08-20 | 3761-029-0945 | ND |
| 2018-08-20 | 3761-030-0930 | 4.10 ppb |
| 2018-08-20 | 3761-031-1000 | 1.10 ppb |
| 2018-08-20 | 3761-037-0835 | 4.60 ppb |
| 2018-08-20 | 3761-044-0600 | 7.00 ppb |
| 2018-08-20 | 3761-046-0725 | 4.80 ppb |
| 2018-08-20 | 3761-047-0710 | 7.80 ppb |
| 2018-08-20 | 3761-048-0650 | 6.70 ppb |
| 2018-08-20 | 3761-049-0745 | ND |
| 2018-08-20 | 3761-052-0810 | 5.00 ppb |
| 2018-08-27 | 3761-027-1100 | 22.0 ppb |
| 2018-09-26 | 3761-032-0545 | 3.90 ppb |
| 2018-10-02 | 3761-027-0800 | 12.0 ppb |
| 2018-10-02 | 3761-031-0930 | 1.10 ppb |
| 2018-10-02 | 3761-033-1000 | 5.20 ppb |
| 2018-10-02 | 3761-034-1100 | 10.00 ppb |
| 2018-10-03 | 3761-035-0630 | 4.20 ppb |
| 2018-10-03 | 3761-044-1230 | 7.40 ppb |
| 2018-10-03 | 3761-048-1200 | 7.20 ppb |
| 2018-10-03 | 3761-052-1430 | 3.40 ppb |
| 2018-10-08 | 3761-015-1030 | 1.20 ppb |
| 2018-10-08 | 3761-016-1000 | ND |
| 2018-10-08 | 3761-019-1130 | ND |
| 2018-10-08 | 3761-020-1300 | 7.50 ppb |
| 2018-10-08 | 3761-023-1200 | 3.90 ppb |
| 2018-10-08 | 3761-029-0945 | ND |
| 2018-10-09 | 3761-007-1345 | 4.70 ppb |
| 2018-10-09 | 3761-014-0840 | 4.40 ppb |
| 2018-10-09 | 3761-037-0800 | 4.60 ppb |
| 2018-10-15 | 3761-012-1310 | 6.00 ppb |
| 2018-10-15 | 3761-017-1345 | 3.80 ppb |
| 2018-10-15 | 3761-039-1325 | 7.00 ppb |
| 2018-10-15 | 3761-046-1215 | 4.90 ppb |
| 2018-10-15 | 3761-047-1231 | 8.20 ppb |
| 2018-10-22 | 3761-030-1300 | 2.70 ppb |
| 2018-10-22 | 3761-032-1345 | 3.70 ppb |
| 2018-10-22 | 3761-038-1415 | 3.80 ppb |
| 2018-10-22 | 3761-049-1100 | ND |
| 2019-01-02 | 3761-007-1145 | 4.30 ppb |
| 2019-01-02 | 3761-014-1000 | 6.60 ppb |
| 2019-01-02 | 3761-015-0930 | 1.10 ppb |
| 2019-01-02 | 3761-017-1020 | 2.70 ppb |
| 2019-01-02 | 3761-027-1100 | 9.80 ppb |
| 2019-01-02 | 3761-044-1040 | ND |
| 2019-01-14 | 4790-031-0930 | 1.10 ppb |
| 2019-01-14 | 4790-033-1000 | 5.30 ppb |
| 2019-01-14 | 3761-034-1030 | 9.50 ppb |
| 2019-01-14 | 4790-034-1030 | 9.50 ppb |
| 2019-01-14 | 4790-035-1100 | 3.90 ppb |
| 2019-01-14 | 4790-048-0900 | 6.90 ppb |
| 2019-01-15 | 3761-028-1430 | 6.70 ppb |
| 2019-01-15 | 4790-031-1230 | 5.20 ppb |
| 2019-01-17 | 4790-032-0830 | 4.10 ppb |
| 2019-01-18 | 4790-020-1130 | 6.00 ppb |
| 2019-01-18 | 4790-023-1100 | 5.00 ppb |
| 2019-01-22 | 4790-019-1000 | 2.80 ppb |
| 2019-01-22 | 4790-030-0900 | 2.70 ppb |
| 2019-01-28 | 4790-047-1000 | 7.80 ppb |
| 2019-01-28 | 4790-049-1130 | ND |
| 2019-01-30 | 4790-046-1250 | 4.60 ppb |
| 2019-04-01 | 4790-017-1030 | 2.60 ppb |
| 2019-04-01 | 4790-019-1000 | 2.60 ppb |
| 2019-04-03 | 4790-007-0900 | 4.40 ppb |
| 2019-04-03 | 4790-014-0730 | 4.20 ppb |
| 2019-04-03 | 4790-015-1000 | 1.10 ppb |
| 2019-04-03 | 4790-016-0830 | ND |
| 2019-04-03 | 4790-027-1145 | 8.50 ppb |
| 2019-04-03 | 4790-029-1200 | ND |
| 2019-04-05 | 4790-028-0700 | 5.90 ppb |
| 2019-04-08 | 4790-030-1030 | 2.60 ppb |
| 2019-04-08 | 4790-032-1100 | 4.40 ppb |
| 2019-04-09 | 4790-037-1200 | 4.20 ppb |
| 2019-04-10 | 4790-012-0900 | 6.30 ppb |
| 2019-04-10 | 4790-031-0830 | 1.10 ppb |
| 2019-04-10 | 4790-033-0700 | 5.90 ppb |
| 2019-04-10 | 4790-034-0800 | 11.0 ppb |
| 2019-04-10 | 4790-038-1200 | 3.80 ppb |
| 2019-04-10 | 4790-039-1030 | 6.90 ppb |
| 2019-04-12 | 4790-048-0800 | 7.60 ppb |
| 2019-04-17 | 4790-035-0830 | 3.70 ppb |
| 2019-04-17 | 4790-044-1300 | ND |
| 2019-04-29 | 4790-046-1030 | 4.70 ppb |
| 2019-04-29 | 4790-047-0930 | 7.50 ppb |
| 2019-04-29 | 4790-049-0930 | ND |
| 2019-07-01 | 3761-015-0900 | 1.10 ppb |
| 2019-07-01 | 3761-019-1030 | 1.000 ppb |
| 2019-07-01 | 3761-023-1000 | 3.40 ppb |
| 2019-07-01 | 3761-027-1032 | 7.70 ppb |
| 2019-07-01 | 3761-030-0839 | 2.60 ppb |
| 2019-07-01 | 3761-031-1315 | 1.10 ppb |
| 2019-07-01 | 3761-032-0820 | 3.60 ppb |
| 2019-07-01 | 3761-034-1230 | 12.0 ppb |
| 2019-07-01 | 3761-035-1006 | 3.80 ppb |
| 2019-07-01 | 3761-044-1345 | 6.50 ppb |
| 2019-07-01 | 3761-048-1335 | 6.50 ppb |
| 2019-07-10 | 3761-016-0800 | ND |
| 2019-07-10 | 3761-029-1000 | ND |
| 2019-07-15 | 3761-007-1430 | 4.30 ppb |
| 2019-07-15 | 3761-014-1445 | 4.20 ppb |
| 2019-07-16 | 3761-020-0645 | 6.90 ppb |
| 2019-07-17 | 3761-033-1130 | 4.30 ppb |
| 2019-07-17 | 3761-037-0830 | 4.50 ppb |
| 2019-07-17 | 3761-046-0830 | 4.80 ppb |
| 2019-07-17 | 3761-047-1000 | 8.00 ppb |
| 2019-07-17 | 3761-049-1300 | ND |
| 2019-07-17 | 3761-052-1100 | 5.30 ppb |
| 2019-07-22 | 3761-017-1100 | 2.60 ppb |
| 2019-07-31 | 3761-012-1435 | 6.40 ppb |
| 2019-07-31 | 3761-038-0730 | 3.80 ppb |
| 2019-07-31 | 3761-039-0225 | 7.00 ppb |
| 2019-10-01 | 3761-015-1019 | 1.20 ppb |
| 2019-10-01 | 3761-023-1531 | 4.00 ppb |
| 2019-10-01 | 3761-029-1000 | ND |
| 2019-10-01 | 3761-031-1015 | 1.20 ppb |
| 2019-10-07 | 3761-007-1010 | 4.20 ppb |
| 2019-10-07 | 3761-014-0938 | 4.10 ppb |
| 2019-10-07 | 3761-016-1230 | ND |
| 2019-10-07 | 3761-020-1010 | 7.00 ppb |
| 2019-10-07 | 3761-027-0951 | 7.50 ppb |
| 2019-10-07 | 3761-033-1100 | 4.40 ppb |
| 2019-10-07 | 3761-034-1300 | 13.0 ppb |
| 2019-10-07 | 3761-035-0920 | 4.00 ppb |
| 2019-10-08 | 3761-017-1030 | 2.50 ppb |
| 2019-10-08 | 3761-037-1100 | 4.30 ppb |
| 2019-10-14 | 3761-019-1230 | ND |
| 2019-10-14 | 3761-032-1330 | 3.10 ppb |
| 2019-10-15 | 3761-044-1235 | 6.90 ppb |
| 2019-10-15 | 3761-048-1225 | 6.70 ppb |
| 2019-10-16 | 3761-012-1030 | 5.60 ppb |
| 2019-10-16 | 3761-038-1130 | 3.90 ppb |
| 2019-10-16 | 3761-039-1245 | 6.50 ppb |
| 2019-10-23 | 3761-030-0650 | 2.60 ppb |
| 2019-10-28 | 3761-049-1100 | ND |
| 2019-10-29 | 3761-046-1143 | 4.90 ppb |
| 2019-10-29 | 3761-047-1130 | 8.00 ppb |