Marion Water Hardness & Quality Report (2026)

Marion, Arkansas, in Crittenden County — the Crittenden County seat adjacent to West Memphis and Earle on the Mississippi River in west Arkansas — receives its water from the City of Marion Water, drawing from the Mississippi River (Crittenden County) through the west Arkansas distribution.

The soft 78.5 mg/L hardness and TDS of 132.5 mg/L reflect the west Arkansas Crittenden County Mississippi River supply's soft alluvial character — the Quaternary Mississippi alluvium insoluble and Cretaceous Midway Group slightly calcareous produce soft water typical of the Mississippi Delta border communities in west Arkansas (compare Cleveland MS: 39.5/88.6 in Bolivar County softer from the deeper delta aquifer; Marion softer from the treated Mississippi River surface supply). The Mississippi River at Crittenden County — Quaternary Mississippi alluvium (insoluble — primary dilutant), Cretaceous Midway Group (slightly calcareous — primary hardness contributor), and Holocene Delta alluvium (insoluble — secondary dilutant).

At 78.5 mg/L, Marion's water is soft — scale forms slowly in appliances, dishwashers remain efficient, and no softening is needed. Annual descaling is appropriate. The PFAS level of 3.1 ppt is low — a certified drinking water filter is advisable — the Crittenden County west Arkansas industrial corridor contribute to Marion's readings.