IMPORTANT NOTE - For initiating membership in 2023 please refer to the dues schedule here:
- Membership Dues for Regular Members for 2021-2023 (10.3.2022)
- Membership Dues for Affiliate Members for 2021-2023
CASQA is a great resource for any professional in the stormwater or water quality field. Please log in if you have a CASQA account and wish to purchase a membership, check your membership expiration date, or renew an existing membership. If you do not have a CASQA account and wish to become a member, you can purchase your membership below.
Note: CASQA membership does not include a subscription to the BMP Online Handbooks (including the SWPPP templates). However, CASQA members receive reduced rates for BMP Online Handbook subscriptions.
General Information
Member Benefits and Multi-Year Dues Schedule
- Information on member benefits
- Letter from the Chair of the Board pertaining to membership dues
- Membership Dues for Regular Members for 2021-2023 (10.3.2022)
- Membership Dues for Affiliate Members for 2021-2023
Group CASQA Memberships
- Group CASQA memberships have a designated primary member (purchaser) who can share the membership with others (sub-members). Adding sub-members is the responsibility of the primary member and is a one time step unless someone leaves or joins the organization.
- Click here for instructions to add sub-members.
Membership Level Change
Has your city population or business revenue grown your organization into the next membership level? Contact us for help adjusting your membership level.
Payment Options
Credit card is the only payment option. We do not accept check payments unless by special request and approved by CASQA.
If you need a pre-purchase invoice you can select the Pre-Sale Invoice tab on your CASQA account page to create one or click here.
NPDES stormwater permit holders: Construction General Permit, Industrial General Permit, MS4 Permits: Phase I or Phase II (Small MS4) - Traditional or Non-Traditional $440 Pop. less than 25,000 Buy now $900Pop. 25,000-49,999 Buy now $1,815Pop. 50,000-99,999 Buy now $4,480Pop. 100,000-249,999 Buy now $8,980Pop. 250,000-499,999 Buy now $13,460Pop. 500,000-999,999 Buy now $16,460Pop. 1,000,000-1,999,999 Buy now $4,480Pop. less than 250,000 Buy now $8,980Pop. 250,000-499,999 Buy now $11,220Pop. 500,000-624,999 Buy now $13,460Pop. 625,000-749,999 Buy now $15,710Pop. 750,000-999,999 Buy now $18,700Pop. 1,000,000-1,499,999 Buy now $25,450Pop. 1,500,000-1,999,999 Buy now $31,440Pop. 2,000,000-3,999,999 Buy now $750 Small: GR < $5 Million Buy now $2,990 Medium: GR $5-$10 Million Buy now $4,480 Large: GR > $10 Million Buy now *Categories for other permittees not otherwise listed above. $4,190 NPDES Permitted Entity Buy now $860 Non-Traditional Phase II Buy now Do not hold a NPDES stormwater permit Professionals and non-professionals joining individually rather than via their organizations. $240 Individual Buy now $360 Very small: GR < $500K Buy now $825 Small: GR < $1 Million Buy now $1,880 Medium: GR $1-5 Million Buy now $3,970 Large: GR > $5 Million Buy now $3,140 Non-NPDES Permitted Entity Buy now IMPORTANT: If not renewed by 11:59 PM Pacific time on the day before the expiration date, access to your CASQA member benefits will be denied. For those with group memberships access will also be denied for your sub-members. Member benefits include the Bi-Weekly Update, Water Quality NewsFlash, member library, member forum, and member discounts to products and events. If you need a pre-purchase invoice you can select the Pre-Purchase Invoice tab on your CASQA account page to create one or click here. Credit card is the only payment option. We do not accept check payments unless by special request and approved by CASQA.Regular Members
2023 MEMBERSHIP FEES
Individual Memberships (Phase I or II MS4s joining individually)
Areawide Memberships (MS4s joining collectively)
Construction or Industrial Permittees
Local, State, Federal, Institutional Entities (Other Permittees*)
Affiliate Members
2023 MEMBERSHIP FEES
Individuals (1-person membership: Professionals and non-professionals joining individually rather than via their organizations)
Consultants, Vendors, Sole Proprietors, Trade Associations, Non-Profit Interest Groups, Others
Local, State, Federal, Institutional Entities
Steps to Renew Your CASQA Membership