Maywood Water Hardness & Quality Report (2026)

Maywood, California, in Los Angeles County — a major southeast Los Angeles urban community (Maywood is a significant Los Angeles County city — an extremely densely populated southeast Los Angeles urban community adjacent to Bell and Huntington Park; Maywood is one of the most densely populated cities in California and one of the most densely populated incorporated cities in the United States; Maywood has a predominantly Hispanic-American (primarily Mexican-American and Central American-American) population — one of the most heavily Latino communities in Los Angeles County; Maywood gained national attention in 2010 when, under extreme financial pressure, the city disbanded its police department and contracted with the Los Angeles County Sheriff's Department (making Maywood one of the first modern US cities to eliminate its municipal police force and contract out law enforcement to the county)), a diverse Los Angeles County community with a nearly entirely Hispanic-American working-class population, adjacent to Bell and Cudahy in the southeast Los Angeles industrial–residential corridor, and a community shaped by its position in the densely populated southeast Los Angeles urban belt — draws its municipal water supply via the California Water Service Company. Water hardness in Maywood measures 177 mg/L — classified as hard.

Maywood's hard supply reflects the southeast Los Angeles LA Basin alluvial aquifer's calcareous-moderate character. The Central Basin aquifer at Maywood draws from Quaternary calcareous-moderate Los Angeles Basin alluvium (calcareous-moderate). Cal Water applies limited softening, producing the hard 177 mg/L.

At 177 mg/L, Maywood residents face regular hard water challenges. Monthly descaling and water softeners are recommended. California Water Service Company consistently delivers water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.