Public water system · AZ0403080
ActiveAz State Parks Slide Rock
At a glance
Az State Parks Slide Rock (PWSID AZ0403080) is an active transient non-community water system in Coconino County, Arizona. It reports serving 1,500 people through 15 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,500
Service connections
15
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Az State Parks Slide Rock compare with other water systems in Coconino County?
By EPA's size categories, Az State Parks Slide Rock is a small system (501 to 3,300 people). Coconino County has 114 active public water systems. Its population served is roughly in line with the county average of 1,573 people per system, and accounts for 0.8% of the 179,316 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Az State Parks Slide Rock 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. Arizona has 601 active transient non-community water systems, 34% of the state's 1,769 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Arizona systems (3.4%) list surface water as their primary source.
Who owns and regulates Az State Parks Slide Rock?
EPA lists Az State Parks Slide Rock as owned by a state government. The AZ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 114 active systems in Coconino County (4.4%) are also owned by a state government.
Does Az State Parks Slide Rock have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. The violations listed here began between June 2017 and August 2025. By type: 11 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (5 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2025-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-07-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-05-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2018-03-18 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | E. colicode 3014 | No | Resolved |
| 2017-09-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-08-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-06-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
The 12 most recent 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.
Az State Parks Slide Rock: frequently asked questions
Who runs Az State Parks Slide Rock?
Az State Parks Slide Rock (PWSID AZ0403080) is a transient non-community water system owned by a state government. It is regulated by the AZ state drinking water program.
How many people does Az State Parks Slide Rock serve?
Az State Parks Slide Rock reports serving 1,500 people through 15 service connections in Coconino County, Arizona.
Where does Az State Parks Slide Rock 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 Az State Parks Slide Rock have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. 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 Az State Parks Slide Rock'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2025. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Az State Parks Slide Rock's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Az State Parks Slide Rock 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 Coconino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Flagstaff City of | Coconino | 79,796 | Community | Surface water |
| Grand Canyon National Park | Coconino | 16,590 | Community | Groundwater |
| Arizona Water Co - Sedona | Coconino | 12,104 | Community | Groundwater |
| Doney Park Water | Coconino | 8,996 | Community | Groundwater |
| Arizona Water Co - Pinewood | Coconino | 8,089 | Community | Groundwater |
| Page City of | Coconino | 7,420 | 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, “Az State Parks Slide Rock, PWSID AZ0403080, Arizona”, https://aquacensus.com/water-systems/arizona/az-state-parks-slide-rock-az0403080 (data as of October 1, 2026).