Garden Valley
EPA ID: CO0121325 · 900 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Garden Valley (CO0121325): 3 unresolved EPA violations on record. Federal compliance records for Garden Valley list 3 open violations that have not yet been resolved - the utility serves approximately 900 people, and each outstanding finding remains logged and active in the EPA enforcement database.
Data: EPA SDWIS
Service Area Map
Coverage area for Garden Valley Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Garden Valley serves a community with a median household income of $57,987 and an estimated 48,885 residents across its service area. Approximately 75% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Garden Valley's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Garden Valley compares to EPA limits
What This Means For You
PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.
Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Garden Valley (EPA ID: CO0121325) is a community water system in Colorado that serves approximately 900 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Status breakdown for accepted records with record years 2021-2026: 59 resolved, 2 archived, 0 addressed, and 3 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| March 3, 2026 | Lead and Copper Rule | Non-health-based | Resolved |
| January 31, 2026 | Lead and Copper Rule | Non-health-based | Resolved |
| December 3, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| October 1, 2025 | Stage 1 DBP Rule | Non-health-based | Unaddressed (current) |
| September 4, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| July 31, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| July 31, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| June 6, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| May 1, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| May 1, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| March 8, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| January 31, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| January 31, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| January 1, 2025 | Haloacetic Acids (HAA5) | Non-health-based | Archived |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Non-health-based | Archived |
| December 8, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unaddressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| September 23, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 28 | No |
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Contaminant 0700 | Other Violation | 3 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| PFOA | PFAS | 1 | No |
| PFNA | PFAS | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Bromodichloromethane | Disinfection Byproducts | 1 | No |
| Dibromochloromethane | Disinfection Byproducts | 1 | No |
| Bromoform | Disinfection Byproducts | 1 | No |
| Chlorodibromomethane | Disinfection Byproducts | 1 | No |
| Trichloroacetic Acid | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CO or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Garden Valley (CO0121325) on EPA.gov.
Frequently Asked Questions
Is Garden Valley water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Garden Valley. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Garden Valley serve?
Garden Valley serves approximately 900 people across 2 ZIP codes in Colorado.
Where does Garden Valley get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Garden Valley (CO): 4 Health Violations. https://zipcheckup.com/water-system/co0121325/
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author = {{ZipCheckup}},
title = {{Garden Valley (CO): 4 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/co0121325/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Garden Valley (EPA ID: CO0121325) - request the latest Consumer Confidence Report or ask about specific contaminants.