Manganese
Coast Springs - Cal. Water Service (puc)
Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.
215
Samples
0
Samples exceeding legal limit (MCL)
58
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 88.8 ppb | 36 | 17 | ND - 730.0 ppb |
| 2019 | 84.1 ppb | 34 | 23 | ND - 730.0 ppb |
| 2020 | 128.1 ppb | 38 | 24 | ND - 750.0 ppb |
| 2021 | 106.6 ppb | 34 | 21 | ND - 810.0 ppb |
| 2022 | 163.9 ppb | 37 | 23 | ND - 770.0 ppb |
| 2023 | 82.7 ppb | 36 | 20 | ND - 840.0 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 100 ppb
The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-15 | CA2110007_001_001-201801151100 | ND |
| 2018-01-15 | CA2110007_015_015-201801151105 | ND |
| 2018-02-07 | CA2110007_015_015-201802071225 | ND |
| 2018-02-07 | CA2110007_001_001-201802071215 | ND |
| 2018-03-11 | CA2110007_015_015-201803111230 | 34.0 ppb |
| 2018-03-11 | CA2110007_001_001-201803111220 | ND |
| 2018-04-11 | CA2110007_015_015-201804111255 | ND |
| 2018-04-11 | CA2110007_001_001-201804111250 | ND |
| 2018-04-12 | CA2110007_001_001-201804121245 | ND |
| 2018-04-12 | CA2110007_002_002-201804121145 | 26.7 ppb |
| 2018-05-06 | CA2110007_015_015-201805061345 | ND |
| 2018-05-06 | CA2110007_001_001-201805061330 | ND |
| 2018-06-12 | CA2110007_001_001-201806121345 | ND |
| 2018-06-12 | CA2110007_015_015-201806121350 | ND |
| 2018-06-26 | CA2110007_001_001-201806261230 | ND |
| 2018-07-13 | CA2110007_015_015-201807131330 | 20.9 ppb |
| 2018-07-13 | CA2110007_001_001-201807131335 | ND |
| 2018-07-16 | CA2110007_006_006-201807161125 | 600.0 ppb |
| 2018-07-16 | CA2110007_007_007-201807161155 | 520.0 ppb |
| 2018-07-16 | CA2110007_008_008-201807161220 | 720.0 ppb |
| 2018-07-23 | CA2110007_003_003-201807231150 | 51.0 ppb |
| 2018-07-23 | CA2110007_004_004-201807231210 | 81.0 ppb |
| 2018-07-26 | CA2110007_005_005-201807261140 | 87.0 ppb |
| 2018-07-26 | CA2110007_016_016-201807261155 | 730.0 ppb |
| 2018-08-06 | CA2110007_002_002-201808061045 | 65.0 ppb |
| 2018-08-06 | CA2110007_010_010-201808061105 | ND |
| 2018-08-13 | CA2110007_015_015-201808131125 | 27.0 ppb |
| 2018-08-13 | CA2110007_001_001-201808131130 | 68.0 ppb |
| 2018-09-11 | CA2110007_015_015-201809111135 | 65.9 ppb |
| 2018-09-11 | CA2110007_001_001-201809111130 | 51.1 ppb |
| 2018-10-14 | CA2110007_015_015-201810141020 | 25.2 ppb |
| 2018-10-14 | CA2110007_001_001-201810141015 | ND |
| 2018-11-07 | CA2110007_015_015-201811071200 | 23.0 ppb |
| 2018-11-07 | CA2110007_001_001-201811071205 | ND |
| 2018-12-17 | CA2110007_001_001-201812171225 | ND |
| 2018-12-17 | CA2110007_015_015-201812171230 | ND |
| 2019-01-15 | CA2110007_001_001-201901151210 | ND |
| 2019-01-15 | CA2110007_015_015-201901151205 | ND |
| 2019-02-19 | CA2110007_001_001-201902191245 | ND |
| 2019-02-19 | CA2110007_015_015-201902191245 | ND |
| 2019-03-18 | CA2110007_001_001-201903181250 | ND |
| 2019-03-18 | CA2110007_015_015-201903181255 | ND |
| 2019-04-08 | CA2110007_001_001-201904081150 | ND |
| 2019-04-08 | CA2110007_015_015-201904081200 | 18.0 ppb |
| 2019-05-12 | CA2110007_001_001-201905121210 | ND |
| 2019-05-12 | CA2110007_015_015-201905121215 | 36.0 ppb |
| 2019-06-12 | CA2110007_001_001-201906121230 | ND |
| 2019-06-12 | CA2110007_001_001-201906121245 | ND |
| 2019-06-12 | CA2110007_015_015-201906121240 | 170.0 ppb |
| 2019-06-17 | CA2110007_003_003-201906171100 | 89.0 ppb |
| 2019-06-17 | CA2110007_002_002-201906171045 | 37.0 ppb |
| 2019-07-08 | CA2110007_005_005-201907081340 | 35.0 ppb |
| 2019-07-14 | CA2110007_001_001-201907141505 | ND |
| 2019-07-14 | CA2110007_015_015-201907141500 | 50.0 ppb |
| 2019-08-01 | CA2110007_010_010-201908011040 | 26.0 ppb |
| 2019-08-12 | CA2110007_016_016-201908121025 | 730.0 ppb |
| 2019-08-25 | CA2110007_001_001-201908251010 | 100.0 ppb |
| 2019-08-25 | CA2110007_015_015-201908251015 | 150.0 ppb |
| 2019-09-14 | CA2110007_015_015-201909141135 | 120.0 ppb |
| 2019-09-14 | CA2110007_001_001-201909141130 | 85.0 ppb |
| 2019-10-06 | CA2110007_015_015-201910061010 | 130.0 ppb |
| 2019-10-06 | CA2110007_001_001-201910061000 | 80.0 ppb |
| 2019-10-07 | CA2110007_004_004-201910071105 | 78.0 ppb |
| 2019-10-07 | CA2110007_007_007-201910071000 | 90.0 ppb |
| 2019-10-07 | CA2110007_006_006-201910071035 | 440.0 ppb |
| 2019-10-07 | CA2110007_008_008-201910071020 | 80.0 ppb |
| 2019-11-18 | CA2110007_001_001-201911181115 | 75.0 ppb |
| 2019-11-18 | CA2110007_015_015-201911181100 | 78.0 ppb |
| 2019-12-11 | CA2110007_001_001-201912111235 | 95.0 ppb |
| 2019-12-11 | CA2110007_015_015-201912111240 | 69.0 ppb |
| 2020-01-02 | CA2110007_015_015-202001021330 | 150.0 ppb |
| 2020-01-02 | CA2110007_001_001-202001021320 | 58.0 ppb |
| 2020-01-20 | CA2110007_015_015-202001200950 | 440.0 ppb |
| 2020-01-20 | CA2110007_001_001-202001200930 | ND |
| 2020-02-11 | CA2110007_001_001-202002111235 | ND |
| 2020-02-11 | CA2110007_015_015-202002111230 | 200.0 ppb |
| 2020-03-24 | CA2110007_015_015-202003241130 | 140.0 ppb |
| 2020-03-24 | CA2110007_001_001-202003241115 | ND |
| 2020-04-13 | CA2110007_015_015-202004131000 | 290.0 ppb |
| 2020-04-13 | CA2110007_001_001-202004130945 | ND |
| 2020-05-18 | CA2110007_001_001-202005181055 | ND |
| 2020-05-18 | CA2110007_015_015-202005181100 | 170.0 ppb |
| 2020-06-08 | CA2110007_001_001-202006081200 | ND |
| 2020-06-08 | CA2110007_015_015-202006081210 | 260.0 ppb |
| 2020-06-15 | CA2110007_005_005-202006151040 | 750.0 ppb |
| 2020-06-15 | CA2110007_008_008-202006150945 | 60.0 ppb |
| 2020-06-15 | CA2110007_001_001-202006151120 | ND |
| 2020-06-15 | CA2110007_007_007-202006151000 | 78.0 ppb |
| 2020-06-18 | CA2110007_016_016-202006181000 | 610.0 ppb |
| 2020-06-24 | CA2110007_003_003-202006241140 | 89.0 ppb |
| 2020-06-24 | CA2110007_004_004-202006241200 | 220.0 ppb |
| 2020-06-24 | CA2110007_002_002-202006241245 | 250.0 ppb |
| 2020-07-13 | CA2110007_001_001-202007131215 | ND |
| 2020-07-13 | CA2110007_015_015-202007131220 | 220.0 ppb |
| 2020-07-14 | CA2110007_010_010-202007141050 | 33.0 ppb |
| 2020-08-11 | CA2110007_001_001-202008111230 | ND |
| 2020-08-11 | CA2110007_015_015-202008111235 | 260.0 ppb |
| 2020-09-23 | CA2110007_001_001-202009231116 | ND |
| 2020-09-23 | CA2110007_015_015-202009231128 | 110.0 ppb |
| 2020-10-05 | CA2110007_006_006-202010050730 | 120.0 ppb |
| 2020-10-08 | CA2110007_001_001-202010080817 | ND |
| 2020-10-08 | CA2110007_015_015-202010080845 | 94.0 ppb |
| 2020-10-12 | CA2110007_002_002-202010121150 | 29.1 ppb |
| 2020-10-12 | CA2110007_001_001-202010121145 | ND |
| 2020-11-10 | CA2110007_015_015-202011101505 | 86.0 ppb |
| 2020-11-10 | CA2110007_001_001-202011101500 | ND |
| 2020-12-09 | CA2110007_001_001-202012091125 | ND |
| 2020-12-09 | CA2110007_015_015-202012091135 | 150.0 ppb |
| 2021-01-12 | CA2110007_001_001-202101121030 | ND |
| 2021-01-12 | CA2110007_015_015-202101121040 | 66.0 ppb |
| 2021-02-10 | CA2110007_001_001-202102101130 | ND |
| 2021-02-10 | CA2110007_015_015-202102101135 | 90.0 ppb |
| 2021-03-02 | CA2110007_001_001-202103021150 | ND |
| 2021-03-02 | CA2110007_015_015-202103021155 | 160.0 ppb |
| 2021-04-12 | CA2110007_015_015-202104120950 | 150.0 ppb |
| 2021-04-12 | CA2110007_001_001-202104120935 | ND |
| 2021-05-10 | CA2110007_015_015-202105101133 | 260.0 ppb |
| 2021-05-10 | CA2110007_001_001-202105101130 | ND |
| 2021-06-08 | CA2110007_001_001-202106080950 | ND |
| 2021-06-08 | CA2110007_015_015-202106080955 | 160.0 ppb |
| 2021-06-14 | CA2110007_001_001-202106141110 | ND |
| 2021-06-14 | CA2110007_002_002-202106141155 | 160.0 ppb |
| 2021-06-14 | CA2110007_004_004-202106141210 | 260.0 ppb |
| 2021-06-14 | CA2110007_006_006-202106141225 | 250.0 ppb |
| 2021-06-22 | CA2110007_005_005-202106221035 | 26.0 ppb |
| 2021-06-22 | CA2110007_016_016-202106221100 | 810.0 ppb |
| 2021-06-22 | CA2110007_008_008-202106221010 | 52.0 ppb |
| 2021-07-01 | CA2110007_007_007-202107011155 | 200.0 ppb |
| 2021-07-05 | CA2110007_001_001-202107051120 | ND |
| 2021-07-05 | CA2110007_015_015-202107051115 | 200.0 ppb |
| 2021-07-06 | CA2110007_003_003-202107060950 | 99.0 ppb |
| 2021-07-06 | CA2110007_010_010-202107060900 | 60.0 ppb |
| 2021-08-10 | CA2110007_001_001-202108101000 | ND |
| 2021-08-10 | CA2110007_015_015-202108101005 | 120.0 ppb |
| 2021-09-12 | CA2110007_001_001-202109120955 | ND |
| 2021-09-12 | CA2110007_015_015-202109121000 | 99.0 ppb |
| 2021-10-11 | CA2110007_015_015-202110111030 | 84.0 ppb |
| 2021-10-11 | CA2110007_001_001-202110111020 | ND |
| 2021-11-06 | CA2110007_001_001-202111061040 | ND |
| 2021-11-06 | CA2110007_015_015-202111061035 | 160.0 ppb |
| 2021-12-06 | CA2110007_015_015-202112061245 | 160.0 ppb |
| 2021-12-06 | CA2110007_001_001-202112061230 | ND |
| 2022-01-12 | CA2110007_001_001-202201121055 | 2.40 ppb |
| 2022-01-12 | CA2110007_015_015-202201121050 | 260.0 ppb |
| 2022-02-01 | CA2110007_001_001-202202011100 | ND |
| 2022-02-01 | CA2110007_015_015-202202011108 | 290.0 ppb |
| 2022-03-09 | CA2110007_015_015-202203091025 | 390.0 ppb |
| 2022-03-09 | CA2110007_001_001-202203091015 | ND |
| 2022-04-10 | CA2110007_015_015-202204101010 | 430.0 ppb |
| 2022-04-10 | CA2110007_001_001-202204101005 | ND |
| 2022-04-12 | CA2110007_001_001-202204121130 | ND |
| 2022-05-04 | CA2110007_015_015-202205040915 | 440.0 ppb |
| 2022-05-04 | CA2110007_001_001-202205040920 | 6.10 ppb |
| 2022-06-13 | CA2110007_001_001-202206131150 | ND |
| 2022-06-13 | CA2110007_015_015-202206131135 | 110.0 ppb |
| 2022-06-13 | CA2110007_001_001-202206131130 | ND |
| 2022-06-14 | CA2110007_005_005-202206141215 | 500.0 ppb |
| 2022-06-14 | CA2110007_016_016-202206141225 | 770.0 ppb |
| 2022-06-14 | CA2110007_002_002-202206141145 | 36.0 ppb |
| 2022-06-14 | CA2110007_006_006-202206141010 | 180.0 ppb |
| 2022-06-14 | CA2110007_007_007-202206141050 | 630.0 ppb |
| 2022-06-28 | CA2110007_008_008-202206281130 | 670.0 ppb |
| 2022-07-11 | CA2110007_001_001-202207111010 | ND |
| 2022-07-14 | CA2110007_015_015-202207141210 | 100.0 ppb |
| 2022-07-19 | CA2110007_001_001-202207190930 | ND |
| 2022-07-19 | CA2110007_003_003-202207191100 | 52.0 ppb |
| 2022-07-19 | CA2110007_004_004-202207191045 | 230.0 ppb |
| 2022-07-19 | CA2110007_010_010-202207191210 | 460.0 ppb |
| 2022-08-08 | CA2110007_001_001-202208081120 | ND |
| 2022-08-08 | CA2110007_015_015-202208081125 | 85.0 ppb |
| 2022-09-15 | CA2110007_001_001-202209151130 | ND |
| 2022-09-15 | CA2110007_015_015-202209151125 | 93.0 ppb |
| 2022-10-05 | CA2110007_001_001-202210051045 | ND |
| 2022-10-12 | CA2110007_001_001-202210120940 | ND |
| 2022-10-12 | CA2110007_015_015-202210120955 | 83.0 ppb |
| 2022-11-26 | CA2110007_001_001-202211261015 | ND |
| 2022-11-26 | CA2110007_015_015-202211261020 | 170.0 ppb |
| 2022-12-12 | CA2110007_001_001-202212120945 | ND |
| 2022-12-12 | CA2110007_015_015-202212121000 | 75.0 ppb |
| 2023-01-12 | CA2110007_015_015-202301121025 | 24.0 ppb |
| 2023-01-12 | CA2110007_001_001-202301121020 | ND |
| 2023-02-14 | CA2110007_001_001-202302141130 | ND |
| 2023-02-14 | CA2110007_001_001-202302141130 | ND |
| 2023-02-14 | CA2110007_015_015-202302141200 | 73.0 ppb |
| 2023-03-16 | CA2110007_001_001-202303161105 | ND |
| 2023-03-16 | CA2110007_015_015-202303161110 | 44.0 ppb |
| 2023-04-17 | CA2110007_001_001-202304171020 | ND |
| 2023-04-17 | CA2110007_001_001-202304171020 | ND |
| 2023-04-17 | CA2110007_015_015-202304171030 | 50.0 ppb |
| 2023-05-15 | CA2110007_001_001-202305151000 | ND |
| 2023-05-15 | CA2110007_015_015-202305150930 | 62.0 ppb |
| 2023-06-06 | CA2110007_001_001-202306061140 | ND |
| 2023-06-12 | CA2110007_001_001-202306121130 | ND |
| 2023-06-12 | CA2110007_015_015-202306121125 | 79.0 ppb |
| 2023-06-19 | CA2110007_005_005-202306190930 | 370.0 ppb |
| 2023-06-19 | CA2110007_016_016-202306191000 | 840.0 ppb |
| 2023-06-21 | CA2110007_006_006-202306210900 | 590.0 ppb |
| 2023-06-21 | CA2110007_007_007-202306210930 | 79.0 ppb |
| 2023-06-22 | CA2110007_008_008-202306221130 | 77.0 ppb |
| 2023-06-27 | CA2110007_004_004-202306270930 | 160.0 ppb |
| 2023-06-28 | CA2110007_002_002-202306280945 | 56.0 ppb |
| 2023-07-18 | CA2110007_010_010-202307181140 | 170.0 ppb |
| 2023-07-20 | CA2110007_015_015-202307201220 | 86.0 ppb |
| 2023-07-20 | CA2110007_001_001-202307201230 | ND |
| 2023-08-14 | CA2110007_015_015-202308140950 | 45.0 ppb |
| 2023-08-14 | CA2110007_001_001-202308141000 | ND |
| 2023-09-25 | CA2110007_001_001-202309251005 | ND |
| 2023-09-25 | CA2110007_015_015-202309251300 | 29.0 ppb |
| 2023-10-25 | CA2110007_001_001-202310250945 | ND |
| 2023-10-25 | CA2110007_015_015-202310250940 | 30.0 ppb |
| 2023-11-13 | CA2110007_001_001-202311131020 | ND |
| 2023-11-13 | CA2110007_015_015-202311131010 | 90.0 ppb |
| 2023-12-17 | CA2110007_001_001-202312170950 | 24.0 ppb |
| 2023-12-17 | CA2110007_015_015-202312170955 | ND |
| 2023-12-26 | CA2110007_001_001-202312260955 | ND |