# Port Angeles Civicplus #PSA-2027-01

Landfill post-closure engineering, monitoring, reporting, and operations support

**Posted:** November 05, 2026
**Respond By:** December 01, 2026
**Identifier:** PSA-2027-01
**NAICS:** 541620, 562212, 237990

The City of Port Angeles is seeking a consultant to support post-closure care and regulatory compliance at the Port Angeles Landfill.
- **Buyer:** City of Port Angeles, Department of Public Works, Engineering.
- **Services requested:**
  - Prepare regulatory monitoring reports and analyze groundwater, leachate, seawall-fluid, and beach-transect data; coordinate permit reporting and sampling logistics.
  - Conduct one annual independent methane surface-emissions monitoring audit. The auditor must have Washington State Department of Ecology approval, and audit staff must be independent of the methane monitoring operator.
  - Support landfill gas collection, flare and condensate systems; review monthly system data, provide quarterly updates, and conduct an annual site visit.
  - Assist with inspections and maintenance of the landfill cover, reinforced slope, shoreline, seawall, drainage, erosion protection, and related features.
  - Provide as-needed Industrial Stormwater General Permit support and directed engineering or technical assistance for unforeseen issues.
- **Requirements:** Regulatory reports must be signed and stamped. The City performs routine sampling and contracts directly for laboratory analyses. The consultant is expected to provide qualified, multidisciplinary expertise.
- **Named organization:** Herrera Environmental Consultants, Inc. prepared the existing Post-Closure Plan; it is not identified as the selected or prospective consultant.
- **Products and OEMs:** No products, part numbers, product quantities, or OEMs are specified.

### Description

The City of Port Angeles is seeking qualifications from a firm to provide engineering and technical support for post-closure operations at the Port Angeles Landfill. Services include regulatory monitoring and reporting, support for operations and maintenance of landfill engineered systems, and technical assistance to maintain compliance with applicable permits and regulations. The scope also includes an annual independent methane surface emissions monitoring audit and on-call directed services for unforeseen issues. The anticipated professional services agreement has a five-year term.

[View original listing](https://www.cityofpa.us/bids.aspx?bidID=458)