Public water system · CA0410011
ActiveDel Oro Water Co.-Paradise Pines
At a glance
Del Oro Water Co.-Paradise Pines (PWSID CA0410011) is an active community water system in Butte County, California. It reports serving 10,940 people through 3,315 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 6 violations for this system; all are health-based, and the most recent began in June 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,940
Service connections
3,315
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Del Oro Water Co.-Paradise Pines compare with other water systems in Butte County?
By EPA's size categories, Del Oro Water Co.-Paradise Pines is a large system (10,001 to 100,000 people). Butte County has 86 active public water systems, and Del Oro Water Co.-Paradise Pines is the 6th-largest of them by population served. Its population served is about 4.1 times the county average of 2,697 people per system, and accounts for 4.7% of the 231,911 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Del Oro Water Co.-Paradise Pines is about 63% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active community water systems, 40% of the state's 7,479 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 506 California systems (6.8%) list purchased surface water as their primary source.
Who owns and regulates Del Oro Water Co.-Paradise Pines?
EPA lists Del Oro Water Co.-Paradise Pines as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 58 of the 86 active systems in Butte County (67%) are also privately owned.
Does Del Oro Water Co.-Paradise Pines have drinking water violations?
EPA's records list 6 violations for this system; all are health-based, and the most recent began in June 2006. The violations listed here began between October 1992 and June 2006. By type: 6 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 6 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2006-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 6 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Del Oro Water Co.-Paradise Pines: frequently asked questions
Who runs Del Oro Water Co.-Paradise Pines?
Del Oro Water Co.-Paradise Pines (PWSID CA0410011) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Del Oro Water Co.-Paradise Pines serve?
Del Oro Water Co.-Paradise Pines reports serving 10,940 people through 3,315 service connections in Butte County, California.
Where does Del Oro Water Co.-Paradise Pines get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Del Oro Water Co.-Paradise Pines have any drinking water violations?
EPA's records list 6 violations for this system; all are health-based, and the most recent began in June 2006. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Del Oro Water Co.-Paradise Pines' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 6 violations for this system; all are health-based, and the most recent began in June 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Del Oro Water Co.-Paradise Pines' water quality report?
As a community water system, Del Oro Water Co.-Paradise Pines must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Butte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cal-Water Service Co.-Chico | Butte | 114,925 | Community | Groundwater |
| South Feather W&P - Miners Ranch | Butte | 22,664 | Community | Surface water |
| Butte-Glenn Community College Dist | Butte | 18,000 | Non-transient non-community | Groundwater |
| Thermalito Water & Sewer Dist | Butte | 12,136 | Community | Surface water |
| Cal-Water Service Co.-Oroville | Butte | 11,106 | Community | Surface water |
| Paradise Irrigation District | Butte | 9,142 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Del Oro Water Co.-Paradise Pines, PWSID CA0410011, California”, https://aquacensus.com/water-systems/california/del-oro-water-co-paradise-pines-ca0410011 (data as of October 1, 2026).