Project Documents

Draft Prairie Ridge 605 Water System Plan

Water System Plan (WSP)

Determination of Non-Significance (DNS)

SEPA Environmental Checklist

Chapter 10 Appendices and Supporting Documents

10.1 Hydraulic Analysis

10.2 Well Logs, Pump Curves, and Equipment

10.3 Meter Data

10.4 WFI and Operating Permit

10.5 Water Rights

10.6 Wellhead Contamination Susceptibility Assessments

10.7 Water Quality Monitoring Programs, Cross Connection Control

10.8 Consistency Statements, WSP Adoption, and Correspondence

10.9 Easements, Covenants, Legal Instruments

10.10 Maps and Drawings

Sandra 627 Water System - PFAS Remediation Project (2027)

Determination of Non-Significance (DNS)

SEPA Environmental Checklist

Spanaway 192nd 669 Water System - PFAS Remediation Project (2027)

Determination of Non-Significance (DNS)

SEPA Environmental Checklist

Thurston PUD Water System (WSP) Plan Part A - Umbrella Plan Updated 2023 (2026-2027)

Water System Plan (WSP)

Burnsville 676 Water System - PFAS Remediation Project (2025-2028)

Cooperfield 678 Water System - PFAS Remediation Project (2025-2028)

East Olympia 684 Water System - PFAS Remedication Project (2025-2028)

Lazy Acres 351 Water System - PFAS Remedication Project (2025-2028)

Determination of Non-Significance (DNS)

SEPA Environmental Checklist

Tanglewilde 600 Water System - Water Treatment/PFAS Remediation Project (2025-2028)

Determination of Non-Significance (DNS)

SEPA Environmental Checklist

Whiskey Hollow 670 Water System - PFAS Remediation Project (2025-2028)

Pattison 500 Water System - Water System Upgrades and Improvements (2023-2025)

Determination of Non-Significance (DNS)

State Environmental Policy Act (SEPA) Checklist

Updated Landscaping Plans

Mazama Pocket Gopher (MPG) Screening & Plant Prairie Survey

Cultural Resource Assessment