RFP- Water Treatment & Transmission System Master Plan
The Marin Municipal Water District (District) is soliciting proposals to provide professional engineering services in support of updating the District’s Water Treatment and Transmission System Master Plan (WTMP). The District is pursuing development of a WTMP to identify prioritized actions needed to ensure continued, reliable operation of the District’s water treatment facilities and transmission system. The District last completed a comprehensive water treatment master plan in 2015.
Plan Holders
| Date | Company | Contact |
| 10/28/25 4:35 pm |
Aspen Environmental Group
5020 Chesebro Rd
Suite 200 Agoura Hills, CA 93010 |
Stephanie Siefert
Business Development and Marketing Manager
Tel: (818) 597-3407
|
| 10/28/25 9:07 am |
Bennett Engineering Services
1082 Sunrise Ave Ste 100
Roseville, CA 95661 |
Karman Cates
Dir. of Business Development and Marketing
Tel: 9167716148
Fax: 9167834110
|
| 10/28/25 1:47 pm |
Carollo Engineers
2795 Mitchell Drive
Walnut Creek, CA 94598 |
Darren Baune
Project Manager
Tel: 9257199301
|
| 10/30/25 8:55 am |
HL Construction Management
678 North Lemon Hill Trail
Orange, CA 92869 |
Michelle Smith
Marketing Associate
Tel: 949-292-7656
|
| 10/30/25 9:24 am | Hydroscience |
Elliot Bouthillier
|
| 10/30/25 7:57 am |
Kimley-Horn and Associates, Inc.
1300 Clay Street
suite 325 oakland, CA 94612 |
Marketing Department
Marketing
Tel: 7149391030
|
| 10/28/25 5:57 pm |
PWXPress
1900 Coffeeport Rd
Jacksonville, FL 03220 |
Mary Miller
Tel: 4086768941
|
| 10/30/25 7:33 am |
Rincon Consulting
449 15th Street, Suite 303
Oakland, CA 94612 |
Jennifer Haddow
Principal
Tel: 510-834-4455
Fax: 510-834-4455
|
| 10/28/25 9:39 am |
Shannon & Wilson, Inc.
4085 Nelson Avenue, Suite A
Concord, CA 94520 Concord, CA 94520 |
Catherine Ellis
Vice President
Tel: 9712778945
|

