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  • State-of-the-art Stormwater Technology Testing Center Opens in Portland

    Thursday September 12th by Melissa Buttin
    Herrera is working in partnership with the Oregon Department of Transportation (ODOT) to establish and operate the Stormwater Technology Testing Center (STTC) in Portland, OR.  The STTC is a state-of-the-art testing facility for evaluating the pollutant removal performance, maintenance requirements, and life-cycle costs of emerging stormwater treatment technologies. The STTC…
  • Seattle Works Day

    Thursday September 5th by Marne Coleman
  • Green Meets Gold in Portland

    Monday August 5th by Melissa Buttin