Public water system · CA3410704
ActiveScwa Mather-Sunrise
At a glance
Scwa Mather-Sunrise (PWSID CA3410704) is an active community water system in Sacramento County, California. It reports serving 30,825 people through 9,341 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30,825
Service connections
9,341
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Scwa Mather-Sunrise compare with other water systems in Sacramento County?
By EPA's size categories, Scwa Mather-Sunrise is a large system (10,001 to 100,000 people). Sacramento County has 164 active public water systems. Its population served is about 199% above the county average of 10,325 people per system, and accounts for 1.8% of the 1,693,284 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 Scwa Mather-Sunrise is about 4.6 times 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 Scwa Mather-Sunrise?
EPA lists Scwa Mather-Sunrise as owned by a local government. 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. 37 of the 164 active systems in Sacramento County (23%) are also owned by a local government.
Does Scwa Mather-Sunrise have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between May 2008 and October 2024. By type: 1 required treatment not met, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 2 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2008-05-21 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
Scwa Mather-Sunrise: frequently asked questions
Who runs Scwa Mather-Sunrise?
Scwa Mather-Sunrise (PWSID CA3410704) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Scwa Mather-Sunrise serve?
Scwa Mather-Sunrise reports serving 30,825 people through 9,341 service connections in Sacramento County, California.
Where does Scwa Mather-Sunrise 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 Scwa Mather-Sunrise have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Scwa Mather-Sunrise's 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 3 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Scwa Mather-Sunrise's water quality report?
As a community water system, Scwa Mather-Sunrise 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 Sacramento County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Sacramento Main | Sacramento | 527,979 | Community | Surface water |
| Sacramento Suburban Water District | Sacramento | 194,444 | Community | Purchased surface water |
| Scwa - Laguna/Vineyard | Sacramento | 184,896 | Community | Surface water |
| Folsom, City of - Main | Sacramento | 80,969 | Community | Surface water |
| Citrus Heights Water District | Sacramento | 67,818 | Community | Purchased surface water |
| Cal Am - Suburban Rosemont | Sacramento | 54,793 | Community | Purchased 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, “Scwa Mather-Sunrise, PWSID CA3410704, California”, https://aquacensus.com/water-systems/california/scwa-mather-sunrise-ca3410704 (data as of October 1, 2026).