Cherry Creek Valley Water Supply District
EPA ID: CO0116175 · 22,000 people served · 70 ZIP codes
With 1 unresolved EPA violation, Cherry Creek Valley Water Supply District is currently out of full compliance — approximately 22,000 people in its service area.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 5 (2021) to 2 (2022). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Cherry Creek Valley Water Supply District Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Cherry Creek Valley Water Supply District serves a community with a median household income of $86,692 and an estimated 1,140,258 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Cherry Creek Valley Water Supply District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Arapahoe County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 64th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Superfund Proximity Note: This service area ranks in the 78th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Cherry Creek Valley Water Supply District compares to EPA limits
What This Means For You
Contaminant 1006 at 2 mg/L exceeds the EPA maximum of 0.006 mg/L. Cholesterol & blood sugar effects, liver damage. Consider reverse osmosis filtration.
Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
E. coli at 2 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 43 detections recorded. 9 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Contaminant 1006 was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Colorado
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
Cherry Creek Valley Water Supply District (EPA ID: CO0116175) is a community water system in Colorado that serves approximately 22,000 people from surface water sources.
This system provides water to 70 ZIP codes across 2 communities.
Average Home Safety Score: C (64/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Stage 1 DBP Rule | Monitoring | Unresolved |
| June 1, 2025 | E. coli | Monitoring | Resolved |
| April 1, 2025 | Contaminant 1011 | Monitoring | Resolved |
| April 1, 2025 | Contaminant 1006 | Monitoring | Resolved |
| March 24, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 1006 | Other Violation | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | Yes |
| E. coli | Microbiological | 2 | No |
| Contaminant 1011 | Other Violation | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 80111 | 0.005 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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: 4 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 66 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 70 ZIP codes:
80111 · 80201 · 80202 · 80203 · 80204 80205 · 80206 · 80207 · 80208 · 80209 80210 · 80211 · 80212 · 80214 · 80215 80216 · 80217 · 80218 · 80219 · 80220 80221 · 80222 · 80223 · 80224 · 80225 80226 · 80227 · 80228 · 80229 · 80230 80231 · 80232 · 80233 · 80234 · 80235 80236 · 80237 · 80238 · 80239 · 80243 80244 · 80246 · 80247 · 80248 · 80249 80250 · 80251 · 80252 · 80256 · 80257 80259 · 80260 · 80261 · 80262 · 80263 80264 · 80265 · 80266 · 80271 · 80273 80274 · 80279 · 80280 · 80281 · 80290 80291 · 80293 · 80294 · 80295 · 80299
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cherry Creek Valley Water Supply District (CO0116175) on EPA.gov.
Frequently Asked Questions
Is Cherry Creek Valley Water Supply District water safe to drink?
Cherry Creek Valley Water Supply District has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Cherry Creek Valley Water Supply District serve?
Cherry Creek Valley Water Supply District serves approximately 22,000 people across 70 ZIP codes in Colorado.
Where does Cherry Creek Valley Water Supply District get its water?
The primary water source is surface water.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
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
Cherry Creek Valley Water Supply District (EPA ID: CO0116175) — request the latest Consumer Confidence Report or ask about specific contaminants.