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Non-Transient Non-Community Water System · PWS CO0125709

Shadow Mountain Village

Fort Collins, Colorado 80526 - drinking water served from groundwater sources to 115 people, tracked in EPA SDWIS and UCMR5.

115
People served
1,061
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,061 drinking-water violations at Shadow Mountain Village - above the Colorado per-system average.

1,061
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
115
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shadow Mountain Village

Shadow Mountain Village is a federal-owned non-transient non-community water system that delivers drinking water to 115 residents in Fort Collins, Colorado (Grand County) through 7 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,061 total violations for this system , of which 4 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,044 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 33 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Shadow Mountain Village's 1,061 violations sit above the Colorado average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
115
Total Violations
1,061
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
7
County
Grand
School/Daycare
No
MCL Violations
0
Monitoring Violations
1,044
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 33 2025
Chlorine MR 27 2024
Coliform (TCR) MR 22 2014
Chlordane MR 18 2020
Barium MR 18 2020
Chromium MR 18 2020
Mercury MR 18 2020
Antimony, Total MR 18 2020
Thallium, Total MR 18 2020
Arsenic MR 18 2020
Beryllium, Total MR 18 2020
Cadmium MR 18 2020
Selenium MR 18 2020
Nickel MR 18 2020
Revised Total Coliform Rule MON 17 2024
Endrin MR 15 2018
BHC-GAMMA MR 15 2018
Methoxychlor MR 15 2018
Toxaphene MR 15 2018
Dalapon MR 15 2018
Diquat MR 15 2018
Di(2-ethylhexyl) adipate MR 15 2018
Dinoseb MR 15 2018
Hexachlorocyclopentadiene MR 15 2018
Carbofuran MR 15 2018
Heptachlor MR 15 2018
2,4,5-TP MR 15 2018
HEXACHLOROBENZENE MR 15 2018
Total Polychlorinated Biphenyls (PCB) MR 15 2018
1,2-DIBROMO-3-CHLOROPROPANE MR 15 2018

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Shadow Mountain Village.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CO0125709 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects Shadow Mountain Village under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Lead and Copper Rule MR 33 SDWIS / CO0125709 / 5000
2024 Chlorine MR 27 SDWIS / CO0125709 / 0999
2024 Revised Total Coliform Rule MON 17 SDWIS / CO0125709 / 8000
2024 Revised Total Coliform Rule RPT 4 SDWIS / CO0125709 / 8000
2023 Public Notice Other 3 SDWIS / CO0125709 / 7500
2022 E. COLI MR 3 SDWIS / CO0125709 / 3014
2020 Chlordane MR 18 SDWIS / CO0125709 / 2959
2020 Barium MR 18 SDWIS / CO0125709 / 1010
2020 Chromium MR 18 SDWIS / CO0125709 / 1020
2020 Mercury MR 18 SDWIS / CO0125709 / 1035
2020 Antimony, Total MR 18 SDWIS / CO0125709 / 1074
2020 Thallium, Total MR 18 SDWIS / CO0125709 / 1085
2020 Arsenic MR 18 SDWIS / CO0125709 / 1005
2020 Beryllium, Total MR 18 SDWIS / CO0125709 / 1075
2020 Cadmium MR 18 SDWIS / CO0125709 / 1015

How Shadow Mountain Village Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Shadow Mountain Village Colorado avg Federal benchmark
Total violations 1,061 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 115 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Shadow Mountain Village water safe to drink? ▼
Shadow Mountain Village (PWS ID: CO0125709) has 1061 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 115 people using Groundwater sources.
How many people does Shadow Mountain Village serve? ▼
Shadow Mountain Village serves 115 people in Fort Collins, Colorado. It is a Federal-owned system using Groundwater water sources with 7 service connections.
What type of violations does Shadow Mountain Village have? ▼
Shadow Mountain Village has 1,061 total violations: 4 health-based violations (MCL exceedances or treatment failures), 1,044 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shadow Mountain Village water? ▼
No PFAS testing data is available for Shadow Mountain Village under the EPA's UCMR5 monitoring program.
What water source does Shadow Mountain Village use? ▼
Shadow Mountain Village uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.