Manganese
Cal-water Service Company - Chico
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.
192
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 | 0.425 ppb | 24 | 6 | ND - 3.26 ppb |
| 2015 | 0.621 ppb | 21 | 4 | ND - 8.39 ppb |
| 2016 | ND | 20 | 0 | ND |
| 2017 | ND | 30 | 0 | ND |
| 2018 | 0.0984 ppb | 43 | 5 | ND - 1.40 ppb |
| 2019 | 0.744 ppb | 53 | 7 | ND - 29.0 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-21 | 5810-134-1010 | ND |
| 2014-01-22 | 5701-053-0950 | 0.200 ppb |
| 2014-01-28 | 5701-005-1130 | 1.70 ppb |
| 2014-01-28 | 5701-035-1325 | 3.11 ppb |
| 2014-01-28 | 5701-061-1200 | 0.0830 ppb |
| 2014-02-05 | 5810-005-1018 | ND |
| 2014-02-05 | 5810-010-1048 | ND |
| 2014-02-05 | 5810-017-1250 | ND |
| 2014-02-11 | 5810-006-1047 | ND |
| 2014-03-04 | 5810-018-1120 | ND |
| 2014-03-11 | 5810-007-1107 | ND |
| 2014-04-09 | 5810-011-1025 | ND |
| 2014-04-16 | 5810-033-1210 | ND |
| 2014-05-12 | 5810-069-0910 | ND |
| 2014-05-12 | 5810-136-0930 | ND |
| 2014-05-28 | 5810-062-0820 | ND |
| 2014-06-04 | 5810-019-0858 | ND |
| 2014-07-08 | 5701-033-1303 | 3.26 ppb |
| 2014-07-14 | 5810-013-1030 | ND |
| 2014-08-12 | 5810-037-0904 | ND |
| 2014-08-13 | 5810-065-0825 | ND |
| 2014-09-16 | 5810-020-1003 | ND |
| 2014-10-06 | 5701-033-1210 | 1.85 ppb |
| 2014-10-13 | 5810-050-0945 | ND |
| 2015-01-14 | 5810-035-0820 | ND |
| 2015-01-29 | 5701-059-0940 | 0.110 ppb |
| 2015-02-24 | 5810-034-1030 | ND |
| 2015-02-25 | 5810-028-1120 | ND |
| 2015-03-03 | 5810-030-1150 | ND |
| 2015-03-16 | 5701-033-1040 | 8.39 ppb |
| 2015-04-08 | 5701-033-1150 | 2.46 ppb |
| 2015-04-13 | 5810-075-0958 | ND |
| 2015-05-13 | 5810-029-1310 | ND |
| 2015-05-13 | 5810-032-1000 | ND |
| 2015-05-13 | 5810-036-1044 | ND |
| 2015-05-20 | 5810-027-0915 | ND |
| 2015-06-09 | 5810-031-1020 | ND |
| 2015-06-09 | 5810-064-0915 | ND |
| 2015-06-16 | 5810-063-0910 | ND |
| 2015-07-06 | 5701-033-1100 | 2.07 ppb |
| 2015-07-14 | 5810-052-0700 | ND |
| 2015-08-06 | 5810-033-1005 | ND |
| 2015-08-11 | 5810-143-0845 | ND |
| 2015-09-14 | 5810-005-1025 | ND |
| 2015-10-06 | 5701-033-1305 | ND |
| 2016-02-17 | 5810-043-1018 | ND |
| 2016-02-17 | 5810-076-0830 | ND |
| 2016-02-24 | 5810-023-0955 | ND |
| 2016-03-09 | 5810-074-0930 | ND |
| 2016-03-18 | 5701-033-0615 | ND |
| 2016-04-13 | 5810-041-1105 | ND |
| 2016-04-13 | 5810-054-0810 | ND |
| 2016-04-13 | 5810-061-0830 | ND |
| 2016-04-19 | 5701-033-1307 | ND |
| 2016-04-20 | 5810-038-1315 | ND |
| 2016-05-17 | 5810-026-1240 | ND |
| 2016-05-17 | 5810-077-0830 | ND |
| 2016-05-17 | 5810-140-0840 | ND |
| 2016-07-11 | 5701-033-1105 | ND |
| 2016-07-12 | 5810-049-1230 | ND |
| 2016-08-10 | 5810-056-1014 | ND |
| 2016-08-10 | 5810-059-0846 | ND |
| 2016-10-04 | 5701-033-1148 | ND |
| 2016-10-12 | 5810-048-0825 | ND |
| 2016-10-12 | 5810-057-1128 | ND |
| 2017-01-11 | 5810-134-1320 | ND |
| 2017-01-18 | 5810-035-0837 | ND |
| 2017-01-19 | 5701-033-1050 | ND |
| 2017-02-15 | 5810-005-0945 | ND |
| 2017-02-15 | 5810-010-1150 | ND |
| 2017-02-15 | 5810-017-1018 | ND |
| 2017-02-15 | 5810-028-1305 | ND |
| 2017-03-13 | 5810-018-0805 | ND |
| 2017-03-15 | 5810-007-0853 | ND |
| 2017-03-16 | 5810-030-1115 | ND |
| 2017-03-16 | 5810-034-0600 | ND |
| 2017-04-19 | 5810-011-0850 | ND |
| 2017-05-11 | 5810-036-1200 | ND |
| 2017-05-11 | 5810-050-1135 | ND |
| 2017-05-17 | 5810-136-1120 | ND |
| 2017-05-23 | 5810-026-1315 | ND |
| 2017-06-07 | 5810-031-1230 | ND |
| 2017-06-07 | 5810-032-1200 | ND |
| 2017-06-07 | 5810-069-1120 | ND |
| 2017-06-12 | 5810-053-1255 | ND |
| 2017-06-26 | 5810-019-1329 | ND |
| 2017-06-28 | 5810-029-1145 | ND |
| 2017-07-10 | 5701-033-1407 | ND |
| 2017-07-27 | 5810-029-1208 | ND |
| 2017-08-21 | 5810-033-1240 | ND |
| 2017-08-21 | 5810-037-1210 | ND |
| 2017-08-21 | 5810-065-1150 | ND |
| 2017-09-20 | 5810-020-1240 | ND |
| 2017-10-10 | 5701-033-1425 | ND |
| 2017-10-25 | 5810-062-1158 | ND |
| 2018-03-08 | 5810-033-1010 | ND |
| 2018-04-12 | 5810-075-1255 | ND |
| 2018-05-08 | 5701-033-1130 | ND |
| 2018-06-12 | 5810-052-1312 | ND |
| 2018-06-18 | 5810-064-1247 | ND |
| 2018-06-20 | 5810-063-1154 | ND |
| 2018-07-10 | 5701-033-1330 | ND |
| 2018-07-18 | 5810-023-0830 | ND |
| 2018-08-07 | B8H0981-01 | ND |
| 2018-08-07 | B8H0981-02 | ND |
| 2018-08-08 | B8H1222-01 | 0.450 ppb |
| 2018-08-08 | B8H1222-02 | ND |
| 2018-08-14 | B8H1910-01 | ND |
| 2018-08-15 | 5810-143-1201 | ND |
| 2018-08-21 | B8H2746-01 | ND |
| 2018-09-13 | B8I1732-01 | ND |
| 2018-09-13 | B8I1732-02 | ND |
| 2018-09-18 | B8I2293-01 | ND |
| 2018-09-18 | B8I2293-02 | ND |
| 2018-09-19 | B8I2498-02 | ND |
| 2018-09-19 | B8I2498-01 | ND |
| 2018-10-09 | B8J1524-01 | 0.650 ppb |
| 2018-10-09 | B8J1524-02 | 1.30 ppb |
| 2018-10-10 | B8J1788-01 | ND |
| 2018-10-10 | B8J1788-02 | ND |
| 2018-10-11 | 5701-033-1005 | ND |
| 2018-10-17 | B8J2764-01 | ND |
| 2018-10-17 | B8J2764-02 | ND |
| 2018-10-18 | B8J2943-01 | ND |
| 2018-10-30 | 5810-027-1253 | ND |
| 2018-11-06 | B8K0807-02 | ND |
| 2018-11-06 | B8K0807-01 | ND |
| 2018-11-07 | B8K1012-02 | ND |
| 2018-11-07 | B8K1012-03 | ND |
| 2018-11-27 | B8K2993-01 | ND |
| 2018-12-03 | B8L0245-01 | ND |
| 2018-12-04 | B8L0519-01 | ND |
| 2018-12-12 | B8L1709-01 | ND |
| 2018-12-12 | B8L1709-02 | ND |
| 2018-12-12 | B8L1709-03 | ND |
| 2018-12-13 | B8L1863-01 | 0.430 ppb |
| 2018-12-13 | B8L1863-02 | ND |
| 2018-12-13 | B8L1863-03 | 1.40 ppb |
| 2019-01-16 | B9A2120-01 | ND |
| 2019-01-16 | B9A2120-02 | ND |
| 2019-01-23 | B9A2923-01 | ND |
| 2019-01-24 | B9A3067-01 | ND |
| 2019-01-29 | B9A3556-01 | ND |
| 2019-02-07 | B9B0978-01 | ND |
| 2019-02-14 | B9B1883-03 | ND |
| 2019-02-14 | B9B1883-01 | ND |
| 2019-02-20 | 5810-043-1253 | ND |
| 2019-02-20 | 5810-076-1257 | ND |
| 2019-02-21 | B9B2614-01 | 5.90 ppb |
| 2019-03-12 | B9C1521-01 | ND |
| 2019-03-13 | B9C1766-03 | ND |
| 2019-03-13 | B9C1766-02 | ND |
| 2019-03-13 | B9C1766-04 | ND |
| 2019-03-14 | B9C1902-01 | ND |
| 2019-03-14 | B9C1902-02 | 0.430 ppb |
| 2019-03-20 | 5810-033-1119 | 29.0 ppb |
| 2019-03-26 | 5810-074-1211 | ND |
| 2019-04-02 | B9D0479-01 | ND |
| 2019-04-02 | B9D0479-02 | ND |
| 2019-04-03 | B9D0717-01 | 2.50 ppb |
| 2019-04-03 | B9D0717-02 | ND |
| 2019-04-03 | B9D0717-03 | 0.620 ppb |
| 2019-04-10 | 5810-038-1205 | ND |
| 2019-04-11 | 5810-054-1201 | ND |
| 2019-04-17 | 5810-041-1202 | ND |
| 2019-04-17 | 5810-061-1230 | ND |
| 2019-05-09 | B9E1435-01 | ND |
| 2019-05-09 | B9E1435-02 | ND |
| 2019-05-14 | 5810-077-1200 | ND |
| 2019-05-15 | 5810-140-1202 | ND |
| 2019-05-16 | 5810-033-1039 | ND |
| 2019-06-05 | B9F0767-01 | ND |
| 2019-06-05 | B9F0767-02 | ND |
| 2019-06-05 | B9F0532-01 | 0.530 ppb |
| 2019-06-06 | B9F0931-01 | ND |
| 2019-06-06 | B9F0931-03 | ND |
| 2019-06-06 | B9F0931-02 | ND |
| 2019-06-13 | B9F1866-01 | ND |
| 2019-06-13 | B9F1866-03 | ND |
| 2019-07-02 | 5810-049-1249 | ND |
| 2019-07-10 | 5810-033-1230 | ND |
| 2019-07-17 | B9G2522-01 | ND |
| 2019-07-17 | B9G2522-03 | ND |
| 2019-07-17 | B9G2522-04 | ND |
| 2019-07-18 | B9G2671-02 | 0.460 ppb |
| 2019-07-22 | 5810-053-1250 | ND |
| 2019-08-27 | 5810-056-1232 | ND |
| 2019-08-27 | 5810-059-1201 | ND |
| 2019-10-14 | 5810-048-0816 | ND |
| 2019-10-16 | 5810-033-1318 | ND |
| 2019-10-29 | 5810-057-1223 | ND |
| 2020-05-20 | C0E2537-01 | ND |