Snoqualmie wastewater plant earns award

  • Friday, August 9, 2019 4:07pm
  • News

The Washington Department of Ecology announced the winners of the annual Wastewater Treatment Plant Outstanding Performance Award and named Snoqualmie as one of only nine plants in King County to receive top honors.

The Department of Ecology evaluated more than 300 plants operating in Washington to determine if they were meeting state pollution limits and permit requirements, which include monitoring, reporting, spill prevention planning, pretreatment and operational demands.

The city of Snoqualmie wastewater treatment plant reached full compliance for all criteria.

The Parks & Public Works Wastewater Treatment Division focuses on system reliability to protect public health and the environment, along with sewer capacity expansion to meet the growing needs of Snoqualmie.

Snoqualmie’s water treatment facility treats reclaimed wastewater to a level that it can be used safely for non-drinking water purposes such as landscape irrigation, heating and cooling and industrial processing.

More information about the award and why Snoqualmie earned an A+ rating is posted on the Department of Ecology blog (

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