Public water system · ID3140034
ActiveEl Rancho Heights
At a glance
El Rancho Heights (PWSID ID3140034) is an active community water system in Canyon County, Idaho. It reports serving 300 people through 87 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, none is health-based, and the most recent began in December 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
87
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does El Rancho Heights compare with other water systems in Canyon County?
By EPA's size categories, El Rancho Heights is a very small system (500 people or fewer). Canyon County has 140 active public water systems. Its population served is well below the county average of 1,527 people per system, and accounts for 0.1% of the 213,824 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so El Rancho Heights is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Idaho has 765 active community water systems, 39% 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 El Rancho Heights?
EPA lists El Rancho Heights 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. 123 of the 140 active systems in Canyon County (88%) are also privately owned.
Does El Rancho Heights have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2019. The violations listed here began between January 2017 and December 2019. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Hexachlorocyclopentadiene, Toxaphene and Di(2-ethylhexyl) phthalate. EPA lists 11 as archived and 1 as unaddressed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2019-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Archived |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Archived |
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.
El Rancho Heights: frequently asked questions
Who runs El Rancho Heights?
El Rancho Heights (PWSID ID3140034) is a community water system privately owned. It is regulated by the ID state drinking water program.
How many people does El Rancho Heights serve?
El Rancho Heights reports serving 300 people through 87 service connections in Canyon County, Idaho.
Where does El Rancho Heights 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 El Rancho Heights 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 December 2019. 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 El Rancho Heights' 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 December 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.
Where can I find El Rancho Heights' water quality report?
As a community water system, El Rancho Heights must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Canyon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nampa City of | Canyon | 100,200 | Community | Groundwater |
| Caldwell City of | Canyon | 74,000 | Community | Groundwater |
| Middleton City of | Canyon | 13,190 | Community | Groundwater |
| Parma City of | Canyon | 2,250 | Community | Groundwater |
| Wilder City of | Canyon | 1,690 | Community | Groundwater |
| Caldwell Housing Authority | Canyon | 1,100 | 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, “El Rancho Heights, PWSID ID3140034, Idaho”, https://aquacensus.com/water-systems/idaho/el-rancho-heights-id3140034 (data as of October 1, 2026).