California Integrated Water Quality System (CIWQS 100.0) - Build Number: mainTrunk.mm.dd.yyyy.1


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	California Integrated Water Quality System Project (CIWQS)

Party At-A-Glance Report

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General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
S658692	Don Edwards San Francisco Bay National Wildlife Refuge	Government Agency Combination	1 Marshlands Road Fremont, CA 94555	510-453-6695	Matthew_Brown@fws.gov

Related Places

Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
S937363	South Bay Salt Ponds Restoration Proj Pond A2W West	Santa Clara	2	Facility	Discharger	10/01/2025	None
S901277	Mountain View Pond A2W	Santa Clara	2	Facility	Discharger	01/12/2022	None
S897993	Island Ponds	Alameda	2	Facility	Discharger	09/08/2021	None
S897979	Ravenswood Ponds	San Mateo	2	Facility	Discharger	09/08/2021	None
S897481	DB Replace AB1 AB2 WCS A1 Levee Repair Don Edwards NWR	Santa Clara	2	Facility	Discharger	08/23/2021	None
S886985	Levee Rehabilitation and Water Control Structure Replacement at Don Edwards San Francisco Bay Nati	Santa Clara	2	Facility	Discharger	10/16/2020	None
S884152	Ravenswood R1 Pond Levee Repair	San Mateo	2	Facility	Discharger	07/23/2020	None
S875421	Alviso Pond Levees Rehabilitation	Santa Clara	2	Facility	Discharger	08/29/2019	None

Total Related Places: 8

Related Parties

Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
N/A	Matthew Brown	Contact	Owner Contact	N/A	N/A	N/A
N/A	Matthew Brown	Contact	Owner Contact	N/A	N/A	N/A

Total Related Parties: 2

Regulatory Measures (non-enforcement)

Reg. Measure ID

Regulatory Measure Type

Relationship Start Date

Relationship End Date

Amended?

S591917

Construction

2 43C409956

Active

CONSTW

2009-0009-DWQ

10/07/2025

None

Discharger

10/01/2025

None

Total Regulatory Measures: 1

Violations within the past five years

Violation ID	Occurrence Date	Violation Type	Violation Description(-)	Violation Status	Priority	Source	Facility Name	Violated Reg. Meas. ID	Violated Reg. Meas. Order No.	Linked to Enf.
S894230	09/02/2025	SW - Failure to Obtain Permit	Failure to obtain coverage under the 2022 CGP by 09/01/2025.	Violation	N	Internal Report	Mountain View Pond A2W	S545531	2009-0009-DWQ	Y
S880399	09/01/2021	SW - Late Report	Failure to submit required Annual Report 2021	Violation	N	Report	Levee Rehabilitation and Water Control Structure Replacement at Don Edwards San Francisco Bay Nati	S527388	2009-0009-DWQ	Y
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.

Total Violations: 2

*Click the "(+/-) Violation Description" link to expand and contract the violation description.

Enforcement Actions

Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status
S459079	Notice of Violation	None	2 43C396183	CONSTW	09/05/2025	Active
S444332	Notice of Non-Compliance for Non-Filers	None	2 43C391831	CONSTW	11/09/2021	Active

Total Enforcement Actions: 2

Regulatory Measures linked to Related Parties

Reg. Measure ID

Organization

Regulatory Measure Type

Program

Effective Date

Status

Total Regulatory Measures linked to Related Parties: 0

The current report was generated with data as of: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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