Northern Colorado Water Authority
EPA ID: CO0135554 · 4,675 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Northern Colorado Water Authority (CO0135554): no EPA violations recorded in the last five years. Northern Colorado Water Authority's five-year compliance history is clean by every EPA metric - no health-based violations, no monitoring lapses, no enforcement actions on record, reflecting consistent performance for a utility that supplies water to approximately 4,675 residents year after year.
Data: EPA SDWIS
Service Area Map
Coverage area for Northern Colorado Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Northern Colorado Water Authority serves a community with a median household income of $98,056 and an estimated 2,238 residents across its service area. Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Northern Colorado Water Authority'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.
Infrastructure Risk
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
Northern Colorado Water Authority (EPA ID: CO0135554) is a community water system in Colorado that serves approximately 4,675 people from surface water sources.
This system serves ZIP code 80535 in Laporte.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 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.
- 80535 - Laporte
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Northern Colorado Water Authority (CO0135554) on EPA.gov.
Frequently Asked Questions
Is Northern Colorado Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Northern Colorado Water Authority in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Northern Colorado Water Authority serve?
Northern Colorado Water Authority serves approximately 4,675 people across 1 ZIP code in Colorado.
Where does Northern Colorado Water Authority 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 →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Northern Colorado Water Authority Water Quality Report, CO. https://zipcheckup.com/water-system/co0135554/
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