Paradise Water Hardness & Quality Report (2026)

Paradise, California, in Butte County — a major northern Sierra Nevada foothills community devastated by the Camp Fire (Paradise is one of the most historically significant communities in California disaster history — Paradise was nearly completely destroyed by the Camp Fire on November 8, 2018 (the Camp Fire — the deadliest and most destructive wildfire in California history; the Camp Fire ignited in the Poe Canyon area of Butte County and within hours swept through Paradise with catastrophic speed driven by extreme Diablo-like winds; 85 people were killed and over 18,000 structures were destroyed, almost entirely in Paradise and adjacent Magalia; essentially the entire town of Paradise was leveled; the fire destroyed over 95% of the town's buildings); before the fire, Paradise had a population of about 26,000; after the fire, the population dropped to near zero as residents fled; by 2024, rebuilding had begun but the population had only partially recovered; Paradise before the Camp Fire was known as a retirement and working-class community in the Butte County foothills, surrounded by Ponderosa Pine forest; the Camp Fire is a landmark event in California fire policy and climate disaster response), a diverse Butte County community — draws its municipal water supply via the Paradise Irrigation District. Water hardness in Paradise measures 136 mg/L — classified as moderately hard.

Paradise's moderate hardness reflects the northern California Butte County Sierra Nevada foothills watershed's calcareous-moderate character. The Paradise Irrigation District draws from local Butte County watershed sources with effective treatment, producing the moderately hard 136 mg/L.

At 136 mg/L, Paradise residents encounter moderate scale accumulation. Monthly cleaning is recommended. Paradise Irrigation District consistently delivers water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.