Sanitary Sewer Improvements

Prosser - WWTP Primary Clarifier Effluent Piping Replacement
Prosser - WWTP Primary Clarifier Effluent Piping Replacement
Prosser - WWTP Reuse of Plant Effluent for Process Water Needs
Prosser - WWTP Reuse of Plant Effluent for Process Water Needs
Grandview - Sanitary Sewer Trunk Main
Grandview - Sanitary Sewer Trunk Main
Naches - WWTP Improvements - Phase 1
Naches - WWTP Improvements - Phase 1
Selah - Crusher Canyon Road Sanitary Sewer
Selah - Crusher Canyon Road Sanitary Sewer
Cle Elum – Billings Ave. Emergency Sewer Repair
Cle Elum – Billings Ave. Emergency Sewer Repair
Snoqualmie Pass Utility District - Phase 1 MBR
Snoqualmie Pass Utility District - Phase 1 MBR
Harrah - WWTP Improvements
Harrah - WWTP Improvements
Sunnyside - Sludge Dewatering
Sunnyside - Sludge Dewatering
Naches - WWTP Headworks
Naches - WWTP Headworks
Union Gap - South Broadway Sewer
Union Gap - South Broadway Sewer
Prosser - WWTP Improvements
Prosser - WWTP Improvements
Yakima – 2021 Citywide Wastewater
Yakima – 2021 Citywide Wastewater
Yakima – Hathaway Sewer and Watermain
Yakima – Hathaway Sewer and Watermain
HLA Engineering and Land Surveying

2803 River Road
Yakima, WA 98902

(509) 966-7000
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