Public water system · CA0600003
ActiveGrimes Boat Landing
At a glance
Grimes Boat Landing (PWSID CA0600003) is an active transient non-community water system in Colusa County, California. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Grimes Boat Landing compare with other water systems in Colusa County?
By EPA's size categories, Grimes Boat Landing is a very small system (500 people or fewer). Colusa County has 29 active public water systems. Its population served is well below the county average of 1,211 people per system, and accounts for 0.1% of the 35,121 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 Grimes Boat Landing is about 65% below 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 Grimes Boat Landing?
EPA lists Grimes Boat Landing 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. 19 of the 29 active systems in Colusa County (66%) are also privately owned.
Does Grimes Boat Landing have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Grimes Boat Landing. For the latest compliance status, check EPA ECHO for current compliance history.
Grimes Boat Landing: frequently asked questions
Who runs Grimes Boat Landing?
Grimes Boat Landing (PWSID CA0600003) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Grimes Boat Landing serve?
Grimes Boat Landing reports serving 50 people through 1 service connection in Colusa County, California.
Where does Grimes Boat Landing 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 Grimes Boat Landing have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Grimes Boat Landing'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Grimes Boat Landing's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Grimes Boat Landing 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 Colusa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Caltrans-Maxwell Reststops | Colusa | 15,000 | Transient non-community | Groundwater |
| City of Colusa | Colusa | 6,447 | Community | Groundwater |
| City of Williams | Colusa | 5,538 | Community | Groundwater |
| Arbuckle Public Utility District | Colusa | 2,778 | Community | Groundwater |
| Maxwell Public Utility District | Colusa | 1,175 | Community | Groundwater |
| Colusa Industrial Properties | Colusa | 533 | Non-transient non-community | Groundwater |
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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, “Grimes Boat Landing, PWSID CA0600003, California”, https://aquacensus.com/water-systems/california/grimes-boat-landing-ca0600003 (data as of October 1, 2026).