Horse Owners

Horse Owners

The Marin Horse Council and the Tomales Bay Watershed Council held an educational  workshop for horse facility owners and managers on April 26, 2017. Topics for the workshop included:

  • The current requirements of the Confined Animal Facilities regulatory program by the San Francisco Regional Water Quality Control Board.
  • How to implement Best Management Practices (BMPs) to protect the health and safety of your horses and the environment.
  • How to manage rain, mud and manure.
  • How to easily monitor water quality at your facility to inform management actions.
  • What resources are available to you and your facility to implement BMPs and protect water quality.

Download a copy of the agenda

Presentations from the April 2017 Workshop:

Introduction to the San Francisco Regional Water Quality Control Board (SF RWQCB) Confined Animal Facilities WDR: Requirements, Timelines, Monitoring, Ranch Plans and Reporting

Laurie Taul – San Francisco Bay Regional Water Quality Control Board

Composting Horse Manure

Jeff Creque – Carbon Cycle Institute

Best Management Practices to Protect Water Quality at Horse Facilities:  Managing Rain, Mud and Manure

 Maggie Sepulveda – USDA, Natural Resources Conservation Service, Petaluma Service Center

Resources for Horse Facilities

General information on land management for horse owners and other resources:

Marin County Stormwater Pollution Prevention Program – Horse Owners guides and other reference material focus on caring for the land, managing manure, and giving practical solutions to horse owners on what can be done to help protect the environment.

Technical Assistance:

Manure Composting Guidance from the Carbon Cycle Institute –

Horse manure composting Standard Operating Procedures

Composting datasheet

Natural Resources Conservation Service/USDA – Free technical advice for farmers, ranchers, and private forestland owners, including equestrian facilities. Financial assistance available in the Environmental Quality Incentives Program (EQIP) for developing a Comprehensive Nutrient Management Plan (CNMP) and then implementing practices identified in the CNMP.

NRCS Comprehensive Nutrient Management Plans

EQIP Funding Factsheet

University of California Cooperative Extension –

Residual Dry Matter (RDM) Protocol

Regulatory Information:

San Francisco Bay Regional Water Quality Control Board –   State authority for the region’s Confined Animal Facility regulatory program.  For any questions related to the General Confined Animal Facility (CAF) Permit requirements, monitoring and reporting procedures, and/or to report a waste discharge, contact: Laurie Taul at 510-622-2508 or

The General CAF Permit documented, forms and the statewide Water Quality Regulations for Confined Animal Facilities can be downloaded from the CAF Program page of the SF Bay RWQCB website:

General Confined Animal Facilities Permit and Attachments

Key Permit Requirements

Annual Report Form

Field Testing for Ammonia

Additionally, a list of compliance assistance organizations can be found near the bottom of the Confined Animal Program webpage.

To learn more about Total Maximum Daily loads (clean water action plans) and the impaired water bodies near you, information is aailable on the website here: