Columbia Basin Water

Serving Oasis, Red Mountain, and Southgate Water communities in Benton County Washington

Phone: (509) 492-4050

OASIS WATER

PAY YOUR BILL ONLINE

Payment Options:

  • Online by clicking the link above
  • Mailed to:
    • PO BOX 4766
      Pasco, WA 99302
  • Dropped at our office, located at:
    • 301 7th St., Suite C, Benton City
  • Over the phone by calling:
    • (509) 492-4050

DOWNLOADS

OASIS Water Quality Reports
2025 – 2024 – 2023

RED MOUNTAIN WATER

PAY YOUR BILL ONLINE

Payment Options:

  • Online by clicking the link above
  • Mailed to:
    • PO BOX 4766
      Pasco, WA 99302
  • Dropped at our office, located at:
    • 301 7th St., Suite C, Benton City
  • Over the phone by calling:
    • (509) 492-4050

DOWNLOADS

RED MOUNTAIN Water Quality Reports
2025 – 2024 – 2023

SGW

SOUTHGATE WATER

PAY YOUR BILL ONLINE

Payment Options:

  • Online by clicking the link above
  • Mailed to:
    • PO BOX 4002
      Pasco, WA 99302
  • Dropped at our office, located at:
    • 301 7th St., Suite C, Benton City
  • Over the phone by calling:
    • (509) 492-4050

DOWNLOADS

SOUTHGATE Water Quality Report
2025 – 2024 – 2023

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