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EWG's Tap Water Database — 2021 UPDATE

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Manganese

City of Modesto

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.

MORE ABOUT THIS CONTAMINANT

 

412

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND240ND
2015ND350ND
20160.371 ppb701ND - 26.0 ppb
20170.308 ppb781ND - 24.0 ppb
20181.33 ppb14735ND - 110.0 ppb
20191.07 ppb583ND - 21.0 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
2014-01-081610-051-1155ND
2014-01-081610-053-1011ND
2014-01-081610-136-1155ND
2014-01-081610-146-0915ND
2014-01-081610-148-1310ND
2014-01-081610-151-1215ND
2014-01-081610-154-1050ND
2014-01-081610-241-1027ND
2014-01-151610-047-1245ND
2014-01-151610-048-1100ND
2014-01-151610-062-0950ND
2014-01-151610-169-1137ND
2014-03-121610-009-1005ND
2014-03-121610-070-0845ND
2014-04-021610-061-1105ND
2014-05-071610-018-1020ND
2014-05-071610-243-0945ND
2014-05-211610-191-1123ND
2014-06-111610-008-1010ND
2014-06-181610-193-0805ND
2014-08-131610-221-0915ND
2014-08-201610-186-0943ND
2014-11-131610-133-1045ND
2014-12-031610-044-0800ND
2015-02-041610-035-0735ND
2015-02-041610-050-0900ND
2015-02-111610-129-1345ND
2015-02-111610-131-0900ND
2015-02-181610-042-0820ND
2015-02-181610-115-0851ND
2015-03-111610-134-0750ND
2015-03-111610-185-1005ND
2015-03-111610-189-1045ND
2015-03-181610-127-1025ND
2015-04-081610-137-0942ND
2015-06-101610-003-0825ND
2015-07-011610-124-0730ND
2015-07-081610-187-0900ND
2015-07-151610-234-0830ND
2015-09-021610-238-0915ND
2015-09-091610-238-1150ND
2015-09-161610-232-1055ND
2015-09-231610-238-1000ND
2015-09-301610-238-0915ND
2015-10-071610-238-0945ND
2015-10-141610-238-1125ND
2015-10-281610-238-0905ND
2015-11-041610-238-1015ND
2015-11-091610-041-0850ND
2015-11-091610-238-1318ND
2015-11-181610-238-0735ND
2015-11-231610-238-0935ND
2015-12-021610-147-1420ND
2015-12-021610-238-1050ND
2015-12-091610-132-0915ND
2015-12-091610-238-1055ND
2015-12-161610-068-0900ND
2015-12-161610-238-0940ND
2015-12-301610-238-0910ND
2016-01-061610-238-1040ND
2016-01-131610-238-1140ND
2016-01-201610-238-1035ND
2016-01-271610-238-1005ND
2016-02-031610-238-1025ND
2016-02-101610-238-1215ND
2016-02-171610-238-0925ND
2016-02-251610-238-1056ND
2016-03-021610-238-1110ND
2016-03-091610-032-0850ND
2016-03-091610-238-1240ND
2016-03-151610-238-1405ND
2016-03-231610-238-0815ND
2016-03-301610-238-1001ND
2016-04-061610-238-0802ND
2016-04-131610-238-0925ND
2016-04-201610-238-1126ND
2016-04-271610-238-1026ND
2016-05-031610-238-0943ND
2016-05-041610-027-1045ND
2016-05-041610-149-0930ND
2016-05-111610-012-0805ND
2016-05-111610-031-1109ND
2016-05-111610-032-1046ND
2016-05-111610-135-1234ND
2016-05-111610-196-1000ND
2016-05-111610-238-0947ND
2016-05-181610-043-0930ND
2016-05-181610-049-1000ND
2016-05-181610-171-0750ND
2016-05-181610-226-1149ND
2016-05-181610-238-1038ND
2016-05-251610-238-1031ND
2016-06-011610-045-1030ND
2016-06-011610-238-1134ND
2016-06-011610-239-124026.0 ppb
2016-06-081610-238-1341ND
2016-06-151610-238-1020ND
2016-06-221610-238-1134ND
2016-06-291610-238-1157ND
2016-07-061610-238-1232ND
2016-07-121610-238-1351ND
2016-07-201610-097-0945ND
2016-07-201610-238-0838ND
2016-07-271610-238-1154ND
2016-08-031610-238-0908ND
2016-08-101610-238-1336ND
2016-08-171610-238-1031ND
2016-08-241610-238-1000ND
2016-08-311610-238-1200ND
2016-09-071610-238-1139ND
2016-09-141610-172-0800ND
2016-09-141610-238-1030ND
2016-09-211610-170-1010ND
2016-09-211610-238-1150ND
2016-09-281610-238-0950ND
2016-10-051610-232-1250ND
2016-10-051610-238-1025ND
2016-10-111610-238-1105ND
2016-10-191610-238-0950ND
2016-10-261610-238-1005ND
2016-11-021610-238-0930ND
2016-11-091610-238-1345ND
2016-11-161610-238-0930ND
2016-11-231610-238-0940ND
2016-11-301610-238-0940ND
2016-12-071610-238-0915ND
2016-12-131610-238-1140ND
2016-12-211610-238-0945ND
2016-12-281610-238-0950ND
2017-01-041610-232-1030ND
2017-01-041610-238-1055ND
2017-01-111610-238-1345ND
2017-01-181610-238-1105ND
2017-01-251610-238-0930ND
2017-02-011610-238-1030ND
2017-02-081610-238-1335ND
2017-02-151610-238-0720ND
2017-02-221610-238-0935ND
2017-03-011610-238-1020ND
2017-03-031644-245-1300ND
2017-03-081610-238-1115ND
2017-03-151610-238-1035ND
2017-03-221610-238-0940ND
2017-03-291610-238-1100ND
2017-04-051610-232-1240ND
2017-04-051610-238-1138ND
2017-04-121610-238-1320ND
2017-04-191610-238-0950ND
2017-04-261610-238-0955ND
2017-05-031610-018-1005ND
2017-05-031610-053-0905ND
2017-05-031610-061-1150ND
2017-05-031610-146-1145ND
2017-05-031610-148-0800ND
2017-05-031610-151-0925ND
2017-05-031610-238-0920ND
2017-05-031610-241-093524.0 ppb
2017-05-031610-243-0835ND
2017-05-101610-009-0945ND
2017-05-101610-136-1151ND
2017-05-101610-238-1320ND
2017-05-171610-047-1020ND
2017-05-171610-048-1000ND
2017-05-171610-062-0920ND
2017-05-171610-191-1139ND
2017-05-171610-238-1010ND
2017-05-241610-238-1010ND
2017-05-311610-238-1030ND
2017-06-071610-238-1000ND
2017-06-141610-008-0910ND
2017-06-141610-051-1010ND
2017-06-141610-070-1230ND
2017-06-141610-221-1355ND
2017-06-141610-238-1100ND
2017-06-211610-238-1035ND
2017-06-281610-238-1010ND
2017-07-051610-232-0745ND
2017-07-051610-238-0915ND
2017-07-111610-238-1020ND
2017-07-191610-238-0925ND
2017-07-261610-238-0915ND
2017-08-021610-238-1000ND
2017-08-091610-238-1300ND
2017-08-161610-238-1125ND
2017-08-231610-238-0900ND
2017-08-301610-238-1030ND
2017-09-061610-044-0925ND
2017-09-061610-238-1020ND
2017-09-131610-133-1335ND
2017-09-131610-238-1100ND
2017-09-201610-238-0850ND
2017-09-281610-238-0905ND
2017-10-041610-232-1135ND
2017-10-041610-238-1040ND
2017-10-111610-238-1105ND
2017-10-181610-042-0950ND
2017-10-181610-238-0950ND
2017-10-251610-238-0955ND
2017-11-011610-238-0955ND
2017-11-081610-238-1105ND
2017-11-151610-238-0925ND
2017-11-221610-238-1237ND
2017-11-291610-238-0950ND
2017-12-061610-238-1050ND
2017-12-131610-238-1335ND
2017-12-201610-238-0940ND
2017-12-281610-238-0910ND
2018-01-041610-232-0800ND
2018-01-041610-238-0920ND
2018-01-101610-238-0922ND
2018-01-171610-238-1000ND
2018-01-241610-238-1025ND
2018-01-311610-238-0935ND
2018-02-071610-238-0925ND
2018-02-141610-238-1100ND
2018-02-211610-238-0935ND
2018-02-281610-238-0950ND
2018-03-071610-238-0940ND
2018-03-141610-238-1045ND
2018-03-211610-238-0950ND
2018-03-281610-238-1000ND
2018-04-041610-238-1050ND
2018-04-111610-238-1020ND
2018-04-181610-238-1015ND
2018-04-251610-238-0945ND
2018-05-021610-050-0900ND
2018-05-021610-238-1020ND
2018-05-091610-003-1420ND
2018-05-091610-129-1050ND
2018-05-091610-131-0850ND
2018-05-091610-134-0910ND
2018-05-091610-137-0835ND
2018-05-091610-189-1210ND
2018-05-091610-238-1325ND
2018-05-161610-127-1025ND
2018-05-161610-238-0955ND
2018-05-231610-238-0940ND
2018-05-301610-238-1010ND
2018-06-061610-035-1010ND
2018-06-061610-238-0950ND
2018-06-131610-238-1330ND
2018-06-201610-238-0835ND
2018-06-21A8F0282-03ND
2018-06-21A8F0267-03ND
2018-06-21A8F0279-02ND
2018-06-21A8F0284-04ND
2018-06-21A8F0286-020.490 ppb
2018-06-21A8F0282-02ND
2018-06-21A8F0282-01ND
2018-06-21A8F0279-03ND
2018-06-21A8F0286-04ND
2018-06-21A8F0290-02ND
2018-06-21A8F0293-032.40 ppb
2018-06-21A8F0276-050.850 ppb
2018-06-21A8F0292-01ND
2018-06-21A8F0284-010.860 ppb
2018-06-21A8F0292-020.600 ppb
2018-06-21A8F0292-031.000 ppb
2018-06-21A8F0286-01ND
2018-06-21A8F0276-037.10 ppb
2018-06-21A8F0276-010.520 ppb
2018-06-21A8F0293-012.40 ppb
2018-06-21A8F0292-040.700 ppb
2018-06-21A8F0290-030.500 ppb
2018-06-21A8F0279-054.60 ppb
2018-06-21A8F0284-032.10 ppb
2018-06-21A8F0293-02ND
2018-06-21A8F0267-01ND
2018-06-21A8F0279-06ND
2018-06-21A8F0291-01ND
2018-06-21A8F0291-06ND
2018-06-21A8F0282-040.860 ppb
2018-06-21A8F0279-0711.0 ppb
2018-06-21A8F0286-051.30 ppb
2018-06-21A8F0276-04ND
2018-06-21A8F0267-02ND
2018-06-21A8F0279-012.40 ppb
2018-06-21A8F0291-030.440 ppb
2018-06-21A8F0292-05ND
2018-06-21A8F0003-010.850 ppb
2018-06-21A8F0267-04ND
2018-06-271610-238-1010ND
2018-07-051610-232-1125ND
2018-07-051610-238-0925ND
2018-07-111610-187-1240ND
2018-07-111610-238-1315ND
2018-07-181610-238-1020ND
2018-07-251610-238-1005ND
2018-08-011610-124-0740ND
2018-08-011610-238-0940ND
2018-08-081610-238-1115ND
2018-08-151610-238-1000ND
2018-08-221610-238-1030ND
2018-08-291610-238-1030ND
2018-09-041610-238-1308ND
2018-09-121610-238-1100ND
2018-09-191610-068-0815ND
2018-09-191610-238-0850ND
2018-09-20A8I0176-010.400 ppb
2018-09-261610-041-0820ND
2018-09-261610-132-0815ND
2018-09-261610-147-0730ND
2018-09-261610-238-1025ND
2018-10-031610-232-1045ND
2018-10-031610-238-0825ND
2018-10-101610-238-1040ND
2018-10-171610-238-0730ND
2018-10-241610-238-0847ND
2018-10-311610-238-1145ND
2018-11-071610-238-0840ND
2018-11-141610-238-1035ND
2018-11-201610-238-1040ND
2018-11-281610-238-1050ND
2018-12-051610-238-0950ND
2018-12-06A8K2677-030.660 ppb
2018-12-06A8K2675-03ND
2018-12-06A8K2690-02ND
2018-12-06A8K2678-04ND
2018-12-06A8K2679-020.760 ppb
2018-12-06A8K2677-02ND
2018-12-06A8K2677-01ND
2018-12-06A8K2690-03ND
2018-12-06A8K2679-04ND
2018-12-06A8K2680-02ND
2018-12-06A8K2683-03110.0 ppb
2018-12-06A8K2676-058.70 ppb
2018-12-06A8K2682-01ND
2018-12-06A8K2678-01ND
2018-12-06A8K2682-020.660 ppb
2018-12-06A8K2682-030.590 ppb
2018-12-06A8K2679-01ND
2018-12-06A8K2676-035.00 ppb
2018-12-06A8K2679-061.80 ppb
2018-12-06A8K2683-014.80 ppb
2018-12-06A8K2682-04ND
2018-12-06A8K2680-03ND
2018-12-06A8K2690-055.60 ppb
2018-12-06A8K2678-032.00 ppb
2018-12-06A8K2683-02ND
2018-12-06A8K2675-01ND
2018-12-06A8K2690-06ND
2018-12-06A8K2681-01ND
2018-12-06A8K2681-06ND
2018-12-06A8K2677-041.20 ppb
2018-12-06A8K2690-0711.0 ppb
2018-12-06A8K2679-050.650 ppb
2018-12-06A8K2675-02ND
2018-12-06A8K2690-01ND
2018-12-06A8K2681-03ND
2018-12-06A8K2682-051.20 ppb
2018-12-06A8K2734-01ND
2018-12-121610-238-1005ND
2018-12-191610-238-1030ND
2018-12-261610-238-0730ND
2019-01-021610-232-1115ND
2019-01-021610-238-0950ND
2019-01-091610-238-1020ND
2019-01-161610-238-1005ND
2019-01-231610-238-0845ND
2019-01-301610-238-0845ND
2019-02-061610-238-1050ND
2019-02-131610-238-0935ND
2019-02-191610-238-0950ND
2019-02-271610-238-0920ND
2019-03-061610-238-1005ND
2019-03-131610-238-1015ND
2019-03-201610-238-0850ND
2019-03-271610-238-0835ND
2019-04-031610-232-1400ND
2019-04-031610-238-0820ND
2019-04-101610-238-0925ND
2019-04-171610-238-0820ND
2019-04-241610-238-0840ND
2019-05-011610-027-1205ND
2019-05-011610-149-1110ND
2019-05-011610-238-1045ND
2019-05-081610-012-0830ND
2019-05-081610-130-0900ND
2019-05-081610-196-1100ND
2019-05-081610-238-0930ND
2019-05-141610-032-0830ND
2019-05-141610-135-0935ND
2019-05-141610-238-1055ND
2019-05-151610-043-0905ND
2019-05-151610-049-0930ND
2019-05-151610-226-1025ND
2019-05-221610-238-0830ND
2019-05-281610-238-0850ND
2019-06-051610-045-0920ND
2019-06-051610-238-0845ND
2019-06-06A9E1752-01ND
2019-06-121610-238-1107ND
2019-06-191610-238-0915ND
2019-06-261610-238-0825ND
2019-07-031610-232-0740ND
2019-07-031610-238-0945ND
2019-07-101610-238-0930ND
2019-07-171610-097-0930ND
2019-07-171610-238-0835ND
2019-07-241610-238-083021.0 ppb
2019-07-311610-238-1102ND
2019-08-071610-238-0845ND
2019-08-141610-238-092520.0 ppb
2019-09-111610-172-0900ND
2019-09-111610-238-1005ND
2019-09-181610-170-0852ND
2019-10-021610-232-1020ND
2019-10-091610-238-074021.0 ppb
2019-11-131610-238-0935ND
2019-12-111610-238-0815ND
2019-12-171610-245-0900ND
2019-12-19A9L2377-01ND