Public water system · CO0263321
ActiveThe Grainery
At a glance
The Grainery (PWSID CO0263321) is an active transient non-community water system in Yuma County, Colorado. It reports serving 60 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in March 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does The Grainery compare with other water systems in Yuma County?
By EPA's size categories, The Grainery is a very small system (500 people or fewer). Yuma County has 11 active public water systems. Its population served is well below the county average of 697 people per system, and accounts for 0.8% of the 7,667 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active transient non-community water system reports serving 144 people, so The Grainery is about 58% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Colorado has 956 active transient non-community water systems, 43% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.
Who owns and regulates The Grainery?
EPA lists The Grainery as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 11 active systems in Yuma County (55%) are also privately owned.
Does The Grainery have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in March 2023. The violations listed here began between April 2014 and March 2023. By type: 2 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2023-03-12 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2014-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 5 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.
The Grainery: frequently asked questions
Who runs The Grainery?
The Grainery (PWSID CO0263321) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does The Grainery serve?
The Grainery reports serving 60 people through 1 service connection in Yuma County, Colorado.
Where does The Grainery 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 The Grainery have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in March 2023. 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 The Grainery'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 5 violations for this system; 2 are health-based, and the most recent began in March 2023. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find The Grainery's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. The Grainery is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Yuma County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Yuma City of | Yuma | 4,049 | Community | Groundwater |
| Wray City of | Yuma | 2,342 | Community | Groundwater |
| Idalia School | Yuma | 452 | Non-transient non-community | Groundwater |
| Eckley Town of | Yuma | 235 | Community | Groundwater |
| Yuma Feedlot | Yuma | 149 | Non-transient non-community | Groundwater |
| Seaboard Foods LLC | Yuma | 132 | 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, “The Grainery, PWSID CO0263321, Colorado”, https://aquacensus.com/water-systems/colorado/the-grainery-co0263321 (data as of October 1, 2026).