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
642434	Jesse Milliken-Callan		11020 Sun Center 200 Rancho Cordova, CA 95670	916-464-4622	Jesse.Milliken-Callan@Waterboards.ca.gov

Related Places

Relationship to Party

Relationship Start Date

Relationship End Date

Total Related Places: 0

Related Parties

Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
137762	Central Valley Regional Water Quality Control Board, Sacramento Office	Organization	Employee	10/26/2023	None	Waterboard

Total Related Parties: 1

Regulatory Measures (non-enforcement)

Reg. Measure ID

Regulatory Measure Type

Relationship Start Date

Relationship End Date

Amended?

Total Regulatory Measures: 0

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.
1142315	12/18/2024	Order Conditions	Nitrate as Nitrogen reported in Monitoring Wells (MWs) 2, 5 and 11 above the groundwater limitation of 10 mg/L during the fourth quarter 2024 monitoring event in violation of Groundwater Limitations E.1 of the WDRs.	Violation	None	Report	City of Patterson WQCF	425768	R5-2018-0070-001	Y
1140937	12/31/2024	Order Conditions	The fourth quarter 2024 groundwater monitoring report shows that pH in (MWs 1, 2, 3, 7, 8, 11 and 12), electrical conductivity in (MWs 2, 3, 4, 5R, 6, 7, 8, 9 and 13), nitrate as nitrogen in (MWs 2, 3, 4, 7, 8, 9, 11 and 12), total dissolved solids in (MWs 1, 2, 3, 4, 5R, 6, 7, 8, 9, 11, 12 and 13), arsenic in (MWs 5R, 10 and 11), iron in (MWs 5R, 6, 7 and 10), manganese in (MWs 2, 3, 5R, 6, 7 and 10), and sodium in (MWs 2, 3, 5R, 6, 7, 9, 11 and 13) exceeded water quality objectives in violation of Groundwater Limitations D.2 of the WDRs.	Violation	None	Report	Riverbank WWTP	141726	94-100	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

Total Enforcement Actions: 0

Regulatory Measures linked to Related Parties

Reg. Measure ID	Organization	Regulatory Measure Type	Program	Effective Date	Status
402503	Central Valley Regional Water Quality Control Board, Sacramento Office	Resolution	PLNBPP	07/09/2004	Historical
462913	Central Valley Regional Water Quality Control Board, Sacramento Office	Resolution	IRRIALLOTH	10/10/2025	Historical
448363	Central Valley Regional Water Quality Control Board, Sacramento Office	Resolution	PLNBPP	06/10/2022	Historical

Total Regulatory Measures linked to Related Parties: 3

The current report was generated with data as of: 10/17/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.

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