Public water system · IA5396039
ActiveWyoming Water System
At a glance
Wyoming Water System (PWSID IA5396039) is an active community water system in Jones County, Iowa. It reports serving 523 people through 351 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
523
Service connections
351
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Wyoming Water System compare with other water systems in Jones County?
By EPA's size categories, Wyoming Water System is a small system (501 to 3,300 people). Jones County has 37 active public water systems, and Wyoming Water System is the 6th-largest of them by population served. Its population served is about 20% above the county average of 435 people per system, and accounts for 3.3% of the 16,079 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 Wyoming Water System 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. 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 Wyoming Water System?
EPA lists Wyoming Water System 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. 10 of the 37 active systems in Jones County (27%) are also owned by a local government.
Does Wyoming Water System have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2019. The violations listed here began between February 1992 and July 2019. By type: 7 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2019-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 1992-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Wyoming Water System: frequently asked questions
Who runs Wyoming Water System?
Wyoming Water System (PWSID IA5396039) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Wyoming Water System serve?
Wyoming Water System reports serving 523 people through 351 service connections in Jones County, Iowa.
Where does Wyoming Water System 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 Wyoming Water System have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 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 Wyoming Water System'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. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Wyoming Water System's water quality report?
As a community water system, Wyoming Water System 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 Jones County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Anamosa Municipal Water Supply | Jones | 4,457 | Community | Groundwater |
| Monticello Water Supply | Jones | 4,040 | Community | Groundwater |
| Anamosa State Penitentiary | Jones | 1,230 | Community | Groundwater |
| Caseys General Store (Anamosa) | Jones | 1,215 | Transient non-community | Groundwater |
| Olin Water Supply | Jones | 651 | Community | Groundwater |
| Shops Above the Wapsi | Jones | 515 | 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, “Wyoming Water System, PWSID IA5396039, Iowa”, https://aquacensus.com/water-systems/iowa/wyoming-water-system-ia5396039 (data as of October 1, 2026).