Public water system · CO0236300
ActiveMonument Lake Resort
At a glance
Monument Lake Resort (PWSID CO0236300) is an active transient non-community water system in Las Animas County, Colorado. It reports serving 380 people through 72 service connections. Its primary water source is surface water, 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 June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
380
Service connections
72
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Monument Lake Resort compare with other water systems in Las Animas County?
By EPA's size categories, Monument Lake Resort is a very small system (500 people or fewer). Las Animas County has 18 active public water systems, and Monument Lake Resort is the 4th-largest of them by population served. Its population served is about half of the county average of 827 people per system, and accounts for 2.6% of the 14,877 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 Monument Lake Resort is about 164% above 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.
Who owns and regulates Monument Lake Resort?
EPA lists Monument Lake Resort as owned by a local government. 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. 12 of the 18 active systems in Las Animas County (67%) are also owned by a local government.
Does Monument Lake Resort have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in June 2025. The violations listed here began between May 2018 and June 2025. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (4 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 |
|---|---|---|---|---|
| 2025-06-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-09-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2021-08-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2021-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-09-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | E. colicode 3014 | No | Resolved |
| 2018-08-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | E. colicode 3014 | No | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | E. colicode 3014 | No | Resolved |
| 2018-05-01 | Monitoring and reportingMonitoring, Source Water (LT2) · code 32 | E. colicode 3014 | 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.
Monument Lake Resort: frequently asked questions
Who runs Monument Lake Resort?
Monument Lake Resort (PWSID CO0236300) is a transient non-community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Monument Lake Resort serve?
Monument Lake Resort reports serving 380 people through 72 service connections in Las Animas County, Colorado.
Where does Monument Lake Resort get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Monument Lake Resort 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 June 2025. 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 Monument Lake Resort'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 June 2025. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Monument Lake Resort's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Monument Lake Resort 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 Las Animas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Trinidad City of | Las Animas | 11,400 | Community | Surface water |
| El Moro Hoehne Pipeline Assoc | Las Animas | 655 | Community | Purchased surface water |
| Aguilar Town of | Las Animas | 447 | Community | Groundwater |
| Santa Fe Trail Ranch Md | Las Animas | 360 | Community | Purchased surface water |
| Sunflower Valley Pipeline Assn | Las Animas | 312 | Community | Purchased surface water |
| Greetville Carbondale Water | Las Animas | 210 | Community | Purchased surface water |
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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, “Monument Lake Resort, PWSID CO0236300, Colorado”, https://aquacensus.com/water-systems/colorado/monument-lake-resort-co0236300 (data as of October 1, 2026).