As part of National Pollutant Discharge Eliminations System (NPDES) Permit requirements, the Contra Costa Clean Water Program conducts an annual survey to measure changes in public awareness and actions. The survey measures public attitudes, perceptions and behaviors that would be helpful to the Clean Water Program in the continuing development and implementation of outreach efforts.

• 2008 (PEIO) Public Opinion Survey (856 KB.pdf)

The Contra Costa Clean Water Program conducts routine water qualtiy monitoring and assessment in local creeks to measure aquatic health. The Clean Water Program also sponsors or conducts special studies designed to comply with National Pollutant Discharge Elimination System (NPDES) requirements.

• 2006 Golf Course Study Final Report (2.8 MB.pdf)
• 2001 to 2005 Data From the Creeks-Volunteer Creek Monitoring Program
• 2005 Rapid Bioassessment Project Report ( 5.3 MB.pdf)
• 2004 Rapid Bioassessment Project Report (529 KB.pdf)
• 2004 Pollutants of Concern Source Assessment Report (9.7 MB.pdf)
• 2004 Contra Costa Creeks Inventory Report (10.4 MB.pdf)
• 2000 Pool Discharge Special Study (1.6 MB.pdf)
• Proposition 218 Survey (7.14 MB.pdf)

Stormwater Infiltration Feasibility Study

• Milestone Report #1, Literature Review (August 24, 2004, 273 KB .pdf)
• Milestone Report #2, Presentation of Infiltration Systems (November 1, 2004, 1.8 MB .pdf)
• Milestone Report #3, Final Work Products (April 4, 2005, 60 MB .pdf - Warning! Long download.)

Statistical Data

• Rainfall Data Analysis and Guidance for Sizing Treatment BMPs (Geosyntec Consultants, April 2005, 77 KB .pdf)
• Hourly Rainfall Data used to prepare this analysis (posted June 2006, 1.2 MB .zip)

FY 2006/07 Annual Report

Volume I - Group Activities Narrative Section 1 Appendices Section 2 Appendices Section 3 Appendices Section 4 Appendices Section 5 Appendices Section 6 Appendices Section 7 Appendices Section 8 Appendices Section 9 Appendices Section 10 Appendices Volume II - Individual Municipal Activities Volume II - Municipal Sections & Attachments City of Antioch NDCC PEIO MUNI INSP IDCA City of Brentwood ANN RPT C.3 ATTACH City of Concord NDCC* PEIO* MUNI* INSP* IDCA* Contra Costa County NDCC PEIO MUNI INSP IDCA City of Clayton NDCC PEIO MUNI INSP IDCA Town of Danville NDCC PEIO MUNI INSP IDCA City of El Cerrito NDCC PEIO MUNI INSP IDCA City of Hercules NDCC PEIO MUNI INSP IDCA City of Lafayette NDCC PEIO MUNI INSP IDCA City of Martinez NDCC* PEIO MUNI INSP IDCA Town of Moraga NDCC PEIO MUNI INSP IDCA City of Oakley NDCC PEIO MUNI INSP IDCA City of Orinda NDCC PEIO MUNI INSP IDCA City of Pinole NDCC PEIO MUNI INSP IDCA City of Pittsburg NDCC PEIO MUNI INSP IDCA City of Pleasant Hill NDCC PEIO MUNI INSP IDCA City of Richmond NDCC PEIO MUNI INSP IDCA City of San Pablo NDCC PEIO MUNI INSP IDCA City of San Ramon NDCC PEIO MUNI INSP IDCA City of Walnut Creek NDCC PEIO MUNI INSP IDCA Volume III - Public Education and Industrial Outreach Exhibits Exhibit 1 Exhibit 2 Exhibit 3 Exhibit 4 Exhibit 5 Exhibit 6 Exhibit 7 Exhibit 8 Exhibit 9 Exhibit 10 Exhibit 11 Exhibit 12 Exhibit 13 * For purposes of file management some appendices/attachments referenced in the narrative may not be included. Missing files are available on request.