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National Drinking Water Database


Manganese in Arkansas


Manganese is a naturally occurring element released from mineral deposits as well as industrial use.

The Most Polluted Communities in Arkansas

365 water utilities reported detecting Manganese in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Manganese level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Bald Knob Waterworks
Bald Knob, AR
3,2101 of 11980 ppb
(1980 ppb)
2Lurton-Pelsor Water Assoc
Pelsor, AR
2941 of 1340 ppb
(340 ppb)
3Oden-Pencil Bluff Water Assoc
Oden, AR
3222 of 3268.04 ppb
(0 to 423.8 ppb)
4East Prairie Co Water Assoc
Des Arc, AR
7112 of 2263.55 ppb
(17.1 to 510 ppb)
5Mill Pond Village Mhp
Hot Springs, AR
1462 of 2222 ppb
(134 to 310 ppb)
6Poyen Waterworks
Poyen, AR
6481 of 1177 ppb
(177 ppb)
7Shady Acres Mobile Home Park
Texarkana, AR
652 of 2175 ppb
(130 to 220 ppb)
8Tulip - Princeton Water Assn
Leola, AR
3573 of 3169.07 ppb
(63.2 to 300 ppb)
9Alicia Water System
Alicia, AR
1732 of 299.4 ppb
(87.8 to 111 ppb)
10Dyess Waterworks
Dyess, AR
4942 of 299.3 ppb
(7.6 to 191 ppb)

Health Based Limits for Manganese

StandardDescriptionLevel
EPA Human Health Water Quality CriteriaWater quality criteria set by the US EPA provide guidance for states and tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect human health. These are non-enforceable standards based upon exposure by both drinking water and the contribution of water contamination to other consumed foods. Source: U.S. Environmental Protection Agency.50 ppb
National Secondary Drinking Water RegulationsA National Secondary Drinking Water Regulation is a non-enforceable guideline regarding contaminants that may cause cosmetic effects (such as taste, odor, or color). Some states choose to adopt them as enforceable standards. Source: U.S. Environmental Protection Agency. 50 ppb
Lifetime health-based limit, non-cancer riskConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for a lifetime of exposure. The Lifetime health-based limit (or Health Advisory, HA) is based on exposure for a a 70-kg adult consuming 2 liters of water per day. Source: U.S. Environmental Protection Agency.300 ppb
Health-Based Screening LevelA benchmark concentration of contaminants in water that may be of potential concern for human health, if exceeded. For noncarcinogens, the HBSL represents the contaminant concentration in drinking water that is not expected to cause any adverse effects over a lifetime of exposure. For carcinogens, the HBSL range represents the contaminant concentration in drinking water that corresponds to an excess estimated lifetime cancer risk of 1 chance in 1 million to 1 chance in 10 thousand. Source: U.S. Geological Survey.300 ppb
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.1000 ppb
Children's health-based limit for 10-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic effects for up to ten days of exposure. The Ten-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.1000 ppb
Drinking Water Equivalent LevelA lifetime exposure concentration protective of adverse, noncarcinogenic health effects, that assumes all of the exposure to a contaminant is from drinking water. Source: U.S. Environmental Protection Agency.1600 ppb

Violation Summary for Manganese in Arkansas

There are no violations reported for this contaminant in Arkansas