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Sewer Bill Monthly Charges

               

Reduced Rate Residence* Rate Effective March 1, 2024
Reduced Rate Residence Total Monthly Bill $39.53
Operations and Maintenance (O&M) $25.03
Wastewater Treatment Plant Charge (WTPC) $14.50

* Reduced rate
For a qualifying low-income senior or disabled homeowner’s primary residence (see Sections 8.03.1760 and 8.03.8525).To see if you qualify for a tax exemption, check with the Spokane County Assessor's Office

Single Family Residence Rate Effective March 1, 2024
Single Family Residence Total Monthly Bill $49.41
Operations and Maintenance (O&M) $31.29
Wastewater Treatment Plant Charge (WTPC) $18.12
Duplex                                                                  Rate Effective March 1, 2024
Duplex Total Monthly Bill $98.82
Operations and Maintenance (O&M) $62.58
Wastewater Treatment Plant Charge (WTPC) $36.24
Multi-Family Dwellings**                          Rate Effective March 1, 2024
Sewer Service Fee  $19.45 per unit
Wastewater Treatment Plant Charge (WTPC)  $12.68 per unit
Account Charge  $3.50

** For multi-family dwellings

The O&M Fee is calculated by reducing the single-family residence O&M Fee by the “account charge” (for account maintenance) and applying a factor of 0.7 (see Section 8.03.1247) to the balance. The account charge is then added to each sewer billing account.

Business/Commercial Properties***            Rate Effective March 1, 2024
Operations and Maintenance - Base Fee $31.29
Operations and Maintenance - Volume Fee $3.47
Wastewater Treatment Plant Charge - Base Fee $18.12
Wastewater Treatment Plant Charge - Volume Fee $2.27
Manufactured Home Parks***                            Rate Effective March 1, 2024
Operations and Maintenance - Base Fee $31.29
Operations and Maintenance - Volume Fee $3.47
Wastewater Treatment Plant Charge - Base Fee $18.12
Wastewater Treatment Plant Charge - Volume Fee $2.27

*** For business/commercial and manufactured home parks 

The O&M and WTPC fees are based upon the Customer’s volume of non-irrigation water consumption, and is calculated as follows:

     (1) Base Fees (O&M & WTPC) - Charge for the first 800 CF (see Section 8.03.1247).

     (2) Volume Fees (O&M & WTPC) - Charge per each 100 CF of water consumed over the first ERU. 

General Facilities Charges (Per Equivalent Residential Unit Eru)

General Facilities Charge (GFC)  Per ERUEffective
January 1, 2010
Effective
January 1, 2011
Effective
January 1, 2012
Effective
February 1, 2016
Effective
February 1, 2022
Elimination of subsurface effluent discharge
$1,885$1,885$2,690$2,780$2,900
New development
$3,930$4,220$4,510$4,630$4,830


Capital Facilities Rates (Per Equivalent Residential Unit Eru)

Prepayment Option (interest free) - Monthly Payment Option (includes interest and bond charges):

  • 2011 Projects $5915 - $42.75 per month for 240 months
  • 2010 Projects $5780 - $41.80 per month for 240 months
  • 2009 Projects $5650 - $40.85 per month for 240 months
  • 2008 Projects $5520 - $39.90 per month for 240 months
  • 2007 Projects $5395 - $39.10 per month for 240 months
  • 2006 Projects $5275 - $38.25 per month for 240 months
  • 2005 Projects $5160 - $37.45 per month for 240 months
  • 2004 Projects $5050 - $36.65 per month for 240 months
  • 2003 Projects $4950 - $36 per month for 240 months
  • 2002 Projects $4950 - $36 per month for 240 months
  • 2001 Projects $4685 - $35 per month for 240 months

Helpful Resources

See additional detailed information about sewer service fees:


  1. Spokane County WA Homepage

Contact Us

  1. Spokane County

  2. 1116 W Broadway Avenue

  3. Spokane, WA 99260

  4. Contact Us

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