- Lead, 90th percentile: 0.54 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
What EPA records show for Del Oro Water Co.-Paradise Pines
EPA CA0410011 · serves Butte County, CA · about 10,738 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Del Oro Water Co.-Paradise Pines (EPA CA0410011)
What EPA records show for Del Oro Water Co.-Paradise Pines, as of October 14, 2026
We found no health-based violations in EPA's records for this system (CA0410011) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Del Oro Water Co.-Paradise Pines (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0.54 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
This system buys water from Paradise Irrigation District (CA0410007); see that system's records.
Source: Paradise Irrigation District (CA0410007) report. Data as of October 14, 2026.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Del Oro Water Co.-Paradise Pines use chloramine?
We didn't find chloramine in Del Oro Water Co.-Paradise Pines's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)