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A 2007 toxicity report for the National Toxicology Program provided evidence that high doses of chromium 6 caused cancers of the gastrointestinal tract in rats and mice at levels higher than 5 mg/L of water, (5 ppm, or 5,000 ppb). [41] [42] Average hexavalent chromium levels in Hinkley were recorded at 1.19 ppb, with an estimated peak of 20 ppb.
Water in Arkansas is an important issue encompassing the conservation, protection, management, distribution and use of the water resource in the state. Arkansas contains a mixture of groundwater and surface water, with a variety of state and federal agencies responsible for the regulation of the water resource.
Helena Water & Sewer Department 5500 Helena-West Helena, Arkansas: Ground Hermitage Waterworks 689 Hermitage, Arkansas: Ground Hickory Ridge Waterworks 272 Hickory Ridge, Arkansas: Ground Highfill Water Department 1586 Highfill, Arkansas: Surface purchased Highland Public Water Authority 2394 Hardy, Arkansas: Ground & ground purchased
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Thousands in Eastern Kentucky still without water. Towns wonder how they’ll pay for repairs. Beth Musgrave, Bill Estep. August 4, 2022 at 12:06 PM. Ryan C. Hermens/rhermens@herald-leader.com.
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Groundwater accounts for over 60% of water use in Arkansas, and shallow aquifers providing high quality groundwater can be found throughout the state. In many upland regions of Arkansas, surface water interacts with groundwater via karst topography common to the Ozarks and Ouachitas. Groundwater monitoring is subdivided into twelve areas.
The Feb. 3 derailment in Ohio is prompting extra attention on water in neighboring states, including West Virginia and Kentucky. Kentucky officials, agencies monitor water quality after Ohio ...