Public water system · CA2310300
ActiveCsp-Manchester State Park
At a glance
Csp-Manchester State Park (PWSID CA2310300) is an active transient non-community water system in Mendocino County, California. It reports serving 420 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
420
Service connections
10
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Csp-Manchester State Park compare with other water systems in Mendocino County?
By EPA's size categories, Csp-Manchester State Park is a very small system (500 people or fewer). Mendocino County has 144 active public water systems. Its population served is about 27% below the county average of 576 people per system, and accounts for 0.5% of the 82,868 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Csp-Manchester State Park is about 192% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Csp-Manchester State Park?
EPA lists Csp-Manchester State Park as owned by a state 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. 16 of the 144 active systems in Mendocino County (11%) are also owned by a state government.
Does Csp-Manchester State Park have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2020. The violations listed here began between October 2011 and April 2020. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2020-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-10-01 | 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.
Csp-Manchester State Park: frequently asked questions
Who runs Csp-Manchester State Park?
Csp-Manchester State Park (PWSID CA2310300) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.
How many people does Csp-Manchester State Park serve?
Csp-Manchester State Park reports serving 420 people through 10 service connections in Mendocino County, California.
Where does Csp-Manchester State Park get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Csp-Manchester State Park have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2020. 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 Csp-Manchester State Park'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; none is health-based, and the most recent began in April 2020. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Csp-Manchester State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Csp-Manchester State Park is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Mendocino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ukiah, City of | Mendocino | 16,607 | Community | Surface water |
| Fort Bragg, City of | Mendocino | 6,919 | Community | Surface water |
| Willits, City of | Mendocino | 6,175 | Community | Surface water |
| Millview County Water District | Mendocino | 5,500 | Community | Surface water |
| Redwood Valley County Water District | Mendocino | 5,200 | Community | Surface water |
| Willow County Water District | Mendocino | 3,797 | 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, “Csp-Manchester State Park, PWSID CA2310300, California”, https://aquacensus.com/water-systems/california/csp-manchester-state-park-ca2310300 (data as of October 1, 2026).