Public water system · 090605172
ActiveHard Rock Fire Mountain Water System
At a glance
Hard Rock Fire Mountain Water System (PWSID 090605172) is an active non-transient non-community water system in California. It reports serving 9,500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,500
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Hard Rock Fire Mountain Water System compare with other water systems in California?
By EPA's size categories, Hard Rock Fire Mountain Water System is a medium system (3,301 to 10,000 people). Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Hard Rock Fire Mountain Water System is about 22 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Hard Rock Fire Mountain Water System?
EPA lists Hard Rock Fire Mountain Water System as Native American-owned. The EPA Region 09 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Hard Rock Fire Mountain Water System have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2022. The violations listed here began between September 2022 and October 2022. By type: 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 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 |
|---|---|---|---|---|
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Hard Rock Fire Mountain Water System: frequently asked questions
Who runs Hard Rock Fire Mountain Water System?
Hard Rock Fire Mountain Water System (PWSID 090605172) is a non-transient non-community water system Native American-owned. It is regulated by the EPA Region 09.
How many people does Hard Rock Fire Mountain Water System serve?
Hard Rock Fire Mountain Water System reports serving 9,500 people through 1 service connection in California.
Where does Hard Rock Fire Mountain Water System 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 Hard Rock Fire Mountain Water System have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2022. 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 Hard Rock Fire Mountain Water System'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 October 2022. For current results, consult EPA ECHO, or the EPA Region 09.
Where can I find Hard Rock Fire Mountain Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hard Rock Fire Mountain Water System is a non-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 California
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 3,875,566 | Community | Surface water |
| East Bay MUD | Alameda | 1,442,800 | Community | Surface water |
| San Diego, City of | San Diego | 1,385,379 | Community | Surface water |
| San Jose Water | Santa Clara | 1,039,920 | Community | Surface water |
| Sfpuc City Distribution Division | San Francisco | 848,019 | Community | Purchased surface water |
| Eastern Municipal Wd | Riverside | 666,581 | 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, “Hard Rock Fire Mountain Water System, PWSID 090605172, California”, https://aquacensus.com/water-systems/california/hard-rock-fire-mountain-water-system-090605172 (data as of October 1, 2026).