Public water system · ID4430100
ActiveTamarack Resort Association Inc.
At a glance
Tamarack Resort Association Inc. (PWSID ID4430100) is an active non-transient non-community water system in Valley County, Idaho. It reports serving 400 people through 353 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
400
Service connections
353
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Tamarack Resort Association Inc. compare with other water systems in Valley County?
By EPA's size categories, Tamarack Resort Association Inc. is a very small system (500 people or fewer). Valley County has 57 active public water systems, and Tamarack Resort Association Inc. is the 5th-largest of them by population served. Its population served is about 83% above the county average of 218 people per system, and accounts for 3.2% of the 12,448 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Tamarack Resort Association Inc. is roughly in line with 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. Idaho has 242 active non-transient non-community water systems, 12% of the state's 1,961 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,861 Idaho systems (95%) list groundwater as their primary source.
Who owns and regulates Tamarack Resort Association Inc.?
EPA lists Tamarack Resort Association Inc. as privately owned. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 42 of the 57 active systems in Valley County (74%) are also privately owned.
Does Tamarack Resort Association Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2025. The violations listed here began between January 2020 and April 2025. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (7 of them). EPA lists 9 as resolved and 3 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-08-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-07-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2024-01-01 | Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-01-01 | Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2023-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | 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.
Tamarack Resort Association Inc.: frequently asked questions
Who runs Tamarack Resort Association Inc.?
Tamarack Resort Association Inc. (PWSID ID4430100) is a non-transient non-community water system privately owned. It is regulated by the ID state drinking water program.
How many people does Tamarack Resort Association Inc. serve?
Tamarack Resort Association Inc. reports serving 400 people through 353 service connections in Valley County, Idaho.
Where does Tamarack Resort Association Inc. 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 Tamarack Resort Association Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 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 Tamarack Resort Association Inc.'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, one is health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the ID state drinking water program.
Where can I find Tamarack Resort Association Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tamarack Resort Association Inc. 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 Valley County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mccall City of | Valley | 4,423 | Community | Surface water |
| Cascade City of | Valley | 1,000 | Community | Groundwater |
| Idpr Ponderosa Sp | Valley | 1,000 | Transient non-community | Groundwater |
| Meadows at West Mountain | Valley | 550 | Community | Groundwater |
| Fir Grove Estates | Valley | 270 | Community | Groundwater |
| Camp Ee-De-How | Valley | 250 | 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, “Tamarack Resort Association Inc., PWSID ID4430100, Idaho”, https://aquacensus.com/water-systems/idaho/tamarack-resort-association-inc-id4430100 (data as of October 1, 2026).