North Washington Street Water Supply District
EPA ID: CO0101105 · 14,500 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for North Washington Street Water Supply District (CO0101105): 1 violation on record since 2021. North Washington Street Water Supply District has 1 EPA violation on record, all marked resolved in the federal data; the utility serves 14,500 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for North Washington Street Water Supply District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with North Washington Street Water Supply District have a median household income of $85,160 and about 73,884 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 50% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
North Washington Street 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.
Wastewater Proximity Note: This service area ranks in the 60th 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 75th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 8 detections recorded. 2 detections are above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
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
North Washington Street Water Supply District (EPA ID: CO0101105) is a community water system in Colorado that serves approximately 14,500 people from surface water sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 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 |
|---|---|---|---|
| July 10, 2022 | Public Notice | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Public Notice | Other (notice or report rule) | 1 | No |
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.009 mg/L (2002-12-31).
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 available EPA compliance records for North Washington Street Water Supply District (CO0101105) on EPA.gov.
Frequently Asked Questions
Is North Washington Street Water Supply District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for North Washington Street Water Supply District; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does North Washington Street Water Supply District serve?
North Washington Street Water Supply District serves approximately 14,500 people across 2 ZIP codes in Colorado.
Where does North Washington Street 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
How to cite this page
ZipCheckup. (n.d.). North Washington Street Water Supply District, CO. https://zipcheckup.com/water-system/co0101105/
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title = {{North Washington Street Water Supply District, CO}},
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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
North Washington Street Water Supply District (EPA ID: CO0101105) - request the latest Consumer Confidence Report or ask about specific contaminants.