Listed below are the municipal representatives to the Contra Costa Clean Water Program.
| City | Contact | Phone | E-mail & Municipal Website |
| City of Antioch | Phil Hoffmeister | 925-779-7000 x2014 | Phil Hoffmeister City of Antioch website |
| City of Brentwood | Jeff Cowling | 925-516-5400 | Jeff Cowling City of Brentwood website |
| City of Clayton | Laura Hoffmeister | 925-673-7308 | Laura Hoffmeister City of Clayton Website |
| City of Concord | Jeff Roubal | 925-671-3394 | Jeff Roubal City of Concord website |
| Town of Danville | Christine McCann | 925-314-3342 | Chris McCann Town of Danville website |
| City of El Cerrito | Alexis Petru | 510-215-4353 | Alexis Petru City of El Cerrito website |
| City of Hercules | Erwin Blancaflor | 510-799-8242 | Erwin Blancaflor City of Hercules website |
| City of Lafayette | Donna Feehan | 925-934-3908 | Donna Feehan City of Lafayette website |
| City of Martinez | Alex Stroup | 925-372-3519 | Alex Stroup City of Martinez website |
| Town of Moraga | Jill Mercurio | 925-631-6844 | Jill Mercurio Town of Moraga website |
| City of Oakley | Frank Kennedy | 925-932-7857 | Frank Kennedy City of Oakley website |
| City of Orinda | Cathy Terentieff | 925-253-4251 | Cathy Terentieff City of Orinda website |
| City of Pinole | Nancy Voisey | 510-724-9037 | Nancy Voisey City of Pinole website |
| City of Pittsburg | Jason Burke | 925-252-4122 | Jason Burke City of Pittsburg website |
| City of Pleasant Hill | Rod Wui | 925-671-5261 | Rod Wui City of Pleasant Hill website |
| City of Richmond | Lynne Scarpa | 510-307-8135 | Lynne Scarpa City of Richmond website |
| City of San Pablo | Karineh Samkian | 510-215-3037 | Karineh Samkian City of San Pablo website |
| City of San Ramon | Steven Spedowfski | 925-973-2653 | Steven Spedowfski City of San Ramon website |
| City of Walnut Creek | Rinta Perkins | 925-256-3511 | Rinta Perkins City of Walnut Creek website |
| County Watershed Program | Rich Lierly | 925-313-2259 | Rich Lierly County Public Works website |
| County Flood Control District | Greg Connaughton | 925-313-2271 | Greg Connaughton County Public Works website |