Public water system · CA1210307
ActiveRichardson Grove Sp-State Parks
At a glance
Richardson Grove Sp-State Parks (PWSID CA1210307) is an active transient non-community water system in Humboldt County, California. It reports serving 1,509 people through 82 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. EPA's records list 2 violations for this system; all are health-based, and the most recent began in June 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,509
Service connections
82
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Richardson Grove Sp-State Parks compare with other water systems in Humboldt County?
By EPA's size categories, Richardson Grove Sp-State Parks is a small system (501 to 3,300 people). Humboldt County has 90 active public water systems. Its population served is roughly in line with the county average of 1,486 people per system, and accounts for 1.1% of the 133,779 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 Richardson Grove Sp-State Parks is about 10 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Richardson Grove Sp-State Parks?
EPA lists Richardson Grove Sp-State Parks 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. 13 of the 90 active systems in Humboldt County (14%) are also owned by a state government.
Does Richardson Grove Sp-State Parks have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in June 1993. The violations listed here began between March 1993 and June 1993. By type: 2 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 1993-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1993-03-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 2 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.
Richardson Grove Sp-State Parks: frequently asked questions
Who runs Richardson Grove Sp-State Parks?
Richardson Grove Sp-State Parks (PWSID CA1210307) 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 Richardson Grove Sp-State Parks serve?
Richardson Grove Sp-State Parks reports serving 1,509 people through 82 service connections in Humboldt County, California.
Where does Richardson Grove Sp-State Parks get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Richardson Grove Sp-State Parks have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in June 1993. 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 Richardson Grove Sp-State Parks' 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 2 violations for this system; all are health-based, and the most recent began in June 1993. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Richardson Grove Sp-State Parks' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Richardson Grove Sp-State Parks 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 Humboldt County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eureka, City of | Humboldt | 27,078 | Community | Purchased groundwater |
| Arcata, City of | Humboldt | 20,875 | Community | Purchased groundwater |
| Humboldt C.S.D. | Humboldt | 19,807 | Community | Groundwater |
| Mckinleyville C.S.D. | Humboldt | 16,900 | Community | Purchased groundwater |
| Fortuna, City of | Humboldt | 12,133 | Community | Groundwater |
| Rio Dell, City of | Humboldt | 3,300 | 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, “Richardson Grove Sp-State Parks, PWSID CA1210307, California”, https://aquacensus.com/water-systems/california/richardson-grove-sp-state-parks-ca1210307 (data as of October 1, 2026).