Parkville Water District
EPA ID: CO0133700 · 7,500 people served · 3 ZIP codes
Parkville Water District's current EPA file includes 3 unresolved violations — every outstanding finding is documented in federal records for this utility, which supplies water to approximately 7,500 residents across its service territory.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Parkville Water District Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Parkville Water District serves a community with a median household income of $84,804 and an estimated 7,411 residents across its service area. Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Parkville Water 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 2% of homes in Lake County, Colorado rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 90th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Parkville Water District compares to EPA limits
What This Means For You
Atrazine at 5 mg/L exceeds the EPA maximum of 0.003 mg/L. Endocrine disruption, cardiovascular & reproductive effects. Consider granular activated carbon (GAC) filtration.
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. 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.
Dichloroacetic Acid at 1 mg/L exceeds the EPA maximum of 0.06 mg/L.
Stage 1 DBP Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Atrazine 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
PARKVILLE WD (EPA ID: CO0133700) is a community water system in Colorado that serves approximately 7,500 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
Average Home Safety Score: D (45/100)
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 |
|---|---|---|---|
| June 11, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 7, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 1, 2025 | Atrazine | Monitoring | Resolved |
| October 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2024 | Atrazine | Monitoring | Resolved |
| April 1, 2024 | Atrazine | Monitoring | Unresolved |
| January 1, 2024 | Total Organic Carbon | Monitoring | Resolved |
| January 1, 2024 | Atrazine | Monitoring | Unresolved |
| December 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 1, 2023 | Stage 1 DBP Rule | Monitoring | Resolved |
| October 1, 2023 | Atrazine | Monitoring | Unresolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| April 1, 2023 | Dichloroacetic Acid | Monitoring | Resolved |
| January 1, 2023 | Total Organic Carbon | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Atrazine | Organic | 5 | No |
| Stage 1 DBP Rule | Treatment Failure | 5 | No |
| Total Organic Carbon | Disinfection Byproducts | 4 | No |
| Consumer Confidence Report Rule | Reporting Failure | 4 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead | Inorganic | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 1 | No |
| E. coli | Microbiological | 1 | No |
| Revised Total Coliform Rule | Microbiological | 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 |
|---|---|---|---|
| 80461 | 0.003 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: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 2 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Parkville Water District (CO0133700) on EPA.gov.
Frequently Asked Questions
Is Parkville Water District water safe to drink?
Parkville Water District has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Parkville Water District serve?
Parkville Water District serves approximately 7,500 people across 3 ZIP codes in Colorado.
Where does Parkville Water District get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
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
Parkville Water District (EPA ID: CO0133700) — request the latest Consumer Confidence Report or ask about specific contaminants.