350 S. Range, Suite #4, Colby, KS 67701 Call the office: (785) 462-8636
Northwest Local Environmental Protection Group

Protecting groundwater across twelve northwest Kansas counties

What do you need?

NWLEPG administers county environmental sanitary codes for onsite wastewater systems and private water wells, and provides water testing, permitting, inspections and technical help to residents, contractors and county officials.

Featured programs

Applications closedApril 30, 2026

Grant awarded$50,000

2026 Wastewater Replacement Grant

In June 2025 this office received notice from the Kansas Department of Health and Environment that the Northwest Local Environmental Protection Group has been awarded a 2026 PIP Grant for Replacement of Failing Onsite Wastewater Systems in the amount of $50,000.

Read the notice

Water screening (fall)

Water screening bulk collection in all twelve member counties

DatesAnnounced each season

Sections

Services

  • Water well evaluation
  • Water testing (bacterial & nitrate)
  • Interpretation of water test analysis
  • Identify water contamination problems
  • Private wastewater system design

Some services may require fees. Please check with the NWLEPG office at 785-462-8636.

All 10 services

Contractors

  • Septic System Installers List
  • Septic System Pumpers List
  • Environmental / Sanitary Code
  • Administrative Procedures for Private Wastewater Systems
  • Construction Guidelines: Requirements for Septic Tanks

Lists, handbook and guidelines

About NWLEPG

  • Develop and enforce Environmental Sanitary Codes for each county that address private wastewater systems and non-public water supplies.
  • Provide educational programs that inform the general public about pollution sources that have the potential to contaminate groundwater.
  • Coordinate activities with other agencies and programs working to protect water quality.

Mission, counties and history