Public water system · WY5601719
ActiveNorth Forty Subdivision
At a glance
North Forty Subdivision (PWSID WY5601719) is an active community water system in Lincoln County, Wyoming. It reports serving 15 people through 31 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 December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
15
Service connections
31
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does North Forty Subdivision compare with other water systems in Lincoln County?
By EPA's size categories, North Forty Subdivision is a very small system (500 people or fewer). Lincoln County has 44 active public water systems. Its population served is well below the county average of 438 people per system, and accounts for less than 0.1% of the 19,264 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active community water system reports serving 6,703 people, so North Forty Subdivision 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. Wyoming has 332 active community water systems, 43% of the state's 775 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 585 Wyoming systems (75%) list groundwater as their primary source.
Who owns and regulates North Forty Subdivision?
EPA lists North Forty Subdivision as privately owned. The WY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 44 active systems in Lincoln County (50%) are also privately owned.
Does North Forty Subdivision have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2024. The violations listed here began between October 2022 and December 2024. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Combined Radium (-226 and -228) (2 of them). 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 |
|---|---|---|---|---|
| 2024-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-07-06 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | 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.
North Forty Subdivision: frequently asked questions
Who runs North Forty Subdivision?
North Forty Subdivision (PWSID WY5601719) is a community water system privately owned. It is regulated by the WY state drinking water program.
How many people does North Forty Subdivision serve?
North Forty Subdivision reports serving 15 people through 31 service connections in Lincoln County, Wyoming.
Where does North Forty Subdivision 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 North Forty Subdivision 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 December 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 North Forty Subdivision'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 December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find North Forty Subdivision's water quality report?
As a community water system, North Forty Subdivision 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kemmerer-Diamondville Jpb | Lincoln | 3,348 | Community | Surface water |
| Star Valley Ranch, Town of | Lincoln | 2,030 | Community | Groundwater |
| Afton, Board of Pub Utilities | Lincoln | 2,000 | Community | Groundwater |
| Leisure Valley Inc./ Star Valley Rv Park | Lincoln | 1,910 | Community | Groundwater |
| Alpine, Town of | Lincoln | 1,300 | Community | Groundwater |
| Wy Dot-Star Valley Rest Area | Lincoln + 1 more | 1,260 | 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, “North Forty Subdivision, PWSID WY5601719, Wyoming”, https://aquacensus.com/water-systems/wyoming/north-forty-subdivision-wy5601719 (data as of October 1, 2026).