ILRP Surface Water Data & Submission Resources
This webpage serves to provide public access to the surface water quality monitoring data collected under the ILRP. Data is submitted to the ILRP by participating third parties and then processed by the ILRP Data Management Team (DMT) before becoming publicly available in an electronic format. For questions regarding ILRP Surface Water Quality Data, please contact Chris Jimmerson at Chris.Jimmerson@waterboards.ca.gov.
ILRP Data on CEDEN
Surface water quality monitoring data collected under the ILRP are available on the California Data Exchange Network (CEDEN) website. The CEDEN table below details what data are currently available. The availability of the most recently submitted data is subject to submission schedules, processing, review and upload of the data by the DMT. The DMT strives to make data available to CEDEN and the public as quickly as possible.
To retrieve data on the CEDEN website, first select "Regional Board" under the "Region Type Selection" drop down menu. Then click and select: "5:Central Valley" under the "Regional Boards" menu and "Irrigated Lands Regulatory Program" under the "Select Programs" menu. Once this is done, enter in the appropriate data range and "Retrieve Data".
| Coalition Project | Available Date Range |
|---|---|
| East San Joaquin Water Quality Coalition | Jul-31-2004 to Sep-23-2021 |
| San Joaquin & Delta Water Quality Coalition | Aug-24-2004 to Sep-15-2021 |
| Sacramento Valley Water Quality Coalition | Jul-12-2004 to Jun-29-2021 |
| Westside San Joaquin Water Quality Coalition | Sep-08-2008 to Feb-08-2022 |
| Westlands Storm Water Coalition | Jan-03-2005 to Sep-28-2020 |
| Grasslands Bypass Project | Oct-01-1995 to Dec-31-2021 |
| Buena Vista Coalition | Apr-30-2013 to Dec-21-2017 |
| California Rice Commission | Jul-27-2004 to Aug-04-2021 |
| Cawelo Water District | Apr-01-2014 to Mar-01-2022 |
| Kern River Watershed Coalition Authority | Jan-02-2014 to Mar-15-2022 |
| Kaweah Basin Water Quality Association | Jan-26-2014 to Sep-29-2021 |
| Kings River Watershed Coalition Authority | Jan-20-2014 to Sep-21-2021 |
| Tule Basin Water Quality Coalition | Jan-17-2014 to Mar-15-2022 |
| Southern San Joaquin Water Quality Coalition | Jul-06-2004 to Dec-09-2013 (complete) |
| Goose Lake Coalition | May-15-2007 to Jul-13-2012 (complete) |
| Modesto Irrigation District | Jul-06-2004 to Jan-25-2009 (complete) |
| Merced Irrigation District | Jul-12-2004 to Sep-16-2008 (complete) |
| Turlock Irrigation District | Jul-14-2004 to Jul-23-2008 (complete) |
| San Luis Water District | Mar-17-2006 to Feb-28-2007 (complete) |
| Oakdale Irrigation District | Jun-23-2004 to Oct-06-2008 (complete) |
| Ag Waiver RWQCB5 (UCD Phase I & II Study) | Mar-26-2003 to Nov-29-2007 (complete) |
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Contact Us
Irrigated Lands Regulatory Program (ILRP)
- Sacramento Office
11020 Sun Center Drive, #200
Rancho Cordova, CA 95670-6114
(916) 464-4611
irrlands@waterboards.ca.gov - Fresno Office
1685 "E" Street
Fresno, CA 93706-2007
(559) 488-4396
ilrpinfo@waterboards.ca.gov - Program Contacts
