Public water system · NV0001086
ActiveGreat Basin Water Co Spanish Springs
At a glance
Great Basin Water Co Spanish Springs (PWSID NV0001086) is an active community water system in Washoe County, Nevada. It reports serving 1,450 people through 580 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,450
Service connections
580
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Great Basin Water Co Spanish Springs compare with other water systems in Washoe County?
By EPA's size categories, Great Basin Water Co Spanish Springs is a small system (501 to 3,300 people). Washoe County has 64 active public water systems, and Great Basin Water Co Spanish Springs is the 5th-largest of them by population served. Its population served is well below the county average of 7,708 people per system, and accounts for 0.3% of the 493,331 people reported by systems filed under the county. Across Nevada, the 643 active systems average 5,508 people each. Nationally, the average active community water system reports serving 6,703 people, so Great Basin Water Co Spanish Springs 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. Nevada has 224 active community water systems, 35% of the state's 643 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 557 Nevada systems (87%) list groundwater as their primary source.
Who owns and regulates Great Basin Water Co Spanish Springs?
EPA lists Great Basin Water Co Spanish Springs as privately owned. The NV state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 43 of the 64 active systems in Washoe County (67%) are also privately owned.
Does Great Basin Water Co Spanish Springs have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in January 2024. The violations listed here began between September 2002 and January 2024. By type: 6 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 6 as resolved and 1 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2004-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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.
Great Basin Water Co Spanish Springs: frequently asked questions
Who runs Great Basin Water Co Spanish Springs?
Great Basin Water Co Spanish Springs (PWSID NV0001086) is a community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Great Basin Water Co Spanish Springs serve?
Great Basin Water Co Spanish Springs reports serving 1,450 people through 580 service connections in Washoe County, Nevada.
Where does Great Basin Water Co Spanish Springs 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 Great Basin Water Co Spanish Springs have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in January 2024. 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 Great Basin Water Co Spanish Springs' 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 7 violations for this system; 1 is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NV state drinking water program.
Where can I find Great Basin Water Co Spanish Springs' water quality report?
As a community water system, Great Basin Water Co Spanish Springs 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 Washoe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Truckee Meadows Water Authority | Washoe | 442,000 | Community | Surface water |
| Sun Valley Gid | Washoe | 17,000 | Community | Purchased surface water |
| Great Basin Water Co Cold Springs | Washoe | 9,910 | Community | Groundwater |
| Incline Village Gid | Washoe | 9,313 | Community | Surface water |
| Truckee Canyon | Washoe | 1,016 | Non-transient non-community | Groundwater |
| Sand Harbor State Park | Washoe | 1,000 | 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, “Great Basin Water Co Spanish Springs, PWSID NV0001086, Nevada”, https://aquacensus.com/water-systems/nevada/great-basin-water-co-spanish-springs-nv0001086 (data as of October 1, 2026).