Public water system · IA8562044
ActiveNevada Water Supply
At a glance
Nevada Water Supply (PWSID IA8562044) is an active community water system in Story County, Iowa. It reports serving 6,925 people through 2,900 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 1992.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,925
Service connections
2,900
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Nevada Water Supply compare with other water systems in Story County?
By EPA's size categories, Nevada Water Supply is a medium system (3,301 to 10,000 people). Story County has 20 active public water systems, and Nevada Water Supply is the 3rd-largest of them by population served. Its population served is about 15% above the county average of 6,045 people per system, and accounts for 5.7% of the 120,903 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Nevada Water Supply is roughly in line with 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Nevada Water Supply?
EPA lists Nevada Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 14 of the 20 active systems in Story County (70%) are also owned by a local government.
Does Nevada Water Supply have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 1992. The violations listed here began between January 1992 and January 1992. By type: 12 monitoring and reporting. The contaminants or rules involved are trans-1,2-Dichloroethylene, Styrene, Tetrachloroethylene and Toluene. 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 |
|---|---|---|---|---|
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | 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.
Nevada Water Supply: frequently asked questions
Who runs Nevada Water Supply?
Nevada Water Supply (PWSID IA8562044) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Nevada Water Supply serve?
Nevada Water Supply reports serving 6,925 people through 2,900 service connections in Story County, Iowa.
Where does Nevada Water Supply 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 Nevada Water Supply 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 January 1992. 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 Nevada Water Supply'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 January 1992. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Nevada Water Supply's water quality report?
As a community water system, Nevada Water Supply 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 Story County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ames Water Treatment Plant | Story | 55,177 | Community | Groundwater |
| Isu | Story | 42,000 | Community | Purchased groundwater |
| Huxley Waterworks Dept | Story | 4,244 | Community | Groundwater |
| Story City Water Dept | Story | 3,357 | Community | Groundwater |
| Slater Muni Water Dept | Story | 1,548 | Community | Purchased groundwater under influence |
| Roland Water Supply | Story | 1,394 | 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, “Nevada Water Supply, PWSID IA8562044, Iowa”, https://aquacensus.com/water-systems/iowa/nevada-water-supply-ia8562044 (data as of October 1, 2026).