Name of Local Agency or GSA | GSA Website | GSA Contact Person | GSA Contact Information | Region |
|---|---|---|---|---|
| Aliso Water District | Roy Capania Aliso GSO POC 559-779-2616 roy@oneilag.com | 10302 Avenue 7-1/2 Firebaugh, CA 93622 | San Joaquin River | |
| Amador County Groundwater Management Authority | http://www.amadorwater.org | Gene Mancebo General Manager (209) 257-5245 gmancebo@amadorwater.org | 12800 Ridge Road Sutter Creek, CA 95685 | San Joaquin River |
| Banta-Carbona Irrigation District | David Weisenberger District Manager (209) 835-4670 bcid@inreach.com | 3514 West Lehman Tracy, CA 95304 | San Joaquin River | |
| Byron-Bethany Irrigation District | Kelley Geyer (209) 608-1428 <k.geyer@bbid.org> | 7995 Bruns Road Byron, CA 94515-1625 | San Joaquin River | |
| Central Delta Water Agency | Dante, Sr. Nomellini Manager and Co-Counsel 209-465-5883 ngmplcs@pacbell.net | 235 East Weber Avenue P.O. Box 1461 Stockton, CA 95201 | San Joaquin River | |
| Central Delta-Mendota Region Multi-Agency GSA | http://www.sldmwa.org | Andrew Garcia Associate Civil Engineer 209-832-6200 andrew.garcia@sldmwa.org | 15990 Kelso Road Byron, CA 94514 | San Joaquin River |
| Central San Joaquin Water Conservation District | http://www.csjwcd.com/ | Reid Roberts Secretary (209) 466-7952 reidwroberts@gmail.com | 11 S. San Joaquin St Ste 306 Stockton, CA 95202 | San Joaquin River |
| Chowchilla Water District | http://www.cwdwater.com/index.php | Doug Welch General Resources Manager 559-665-3747 dwelch@cwdwater.com | 327 S. Chowchilla Blvd. Chowchilla, CA 93610 | San Joaquin River |
| City of Antioch | http://www.ci.antioch.ca.us | Scott Buenting Project Manager 925 779-6129 sbuenting@ci.antioch.ca.us | 200 H Street Antioch, CA 94509 | San Joaquin River |
| City of Brentwood | http://www.brentwoodca.gov | Chris Ehlers Asst. Director Public Works Oper 925-516-6030 cehlers@brentwoodca.gov | 2201 Elkins Way Brentwood, CA 945132 | San Joaquin River |
| City of Dos Palos GSA | Garth Pecchenino City Engineer (209) 723-2066 garth.pecchenino@qkinc.com | 2174 Blossom Street Dos Palos, CA 93620 | San Joaquin River | |
| City of Firebaugh | Mario Gouveia (209)854-3300 mgouveia@gouveiaengineering.com | 456 Sixth Street Gustine, CA 95322 | San Joaquin River | |
| City of Galt Groundwater Sustainability Agency | Mark Clarkson Deputy Public Works Director (209) 366-7260 mclarkson@ci.galt.ca.us | 495 Industrial Drive Galt, CA 95632 | San Joaquin River | |
| City of Gustine | http://www.cityofgustine.com | Kathryn Reyes Director of Community Services 209-854-6471 kreyes@cityofgustine.com | 352 Fifth Street PO Box 16 Gustine, CA 95322 | San Joaquin River |
| City of Los Banos | http://www.losbanos.org/ | Mark Fachin Public Works Director 209-827-7056 mark.fachin@losbanos.org | 411 Madison Avenue Los Banos, CA 93635 | San Joaquin River |
| City of Madera | http://www.cityofmadera.ca.gov/ | David Merchen Community Development Director 559-661-5430 dmerchen@cityofmadera.com | 205 W 4th Street Madera, CA 93637 | San Joaquin River |
| City of Manteca | Elba Mijango 209-456-8400 emijango@ci.manteca.ca.us | 1001 W. Center Street Suite E Manteca, CA 95337 | San Joaquin River | |
| City of Mendota | http://ci.mendota.ca.us/ | Cristian Gonzalez Public Works Director 559-655-3291 Cristian@cityofmendota.com | 643 Quince Street City of Mendota, CA 93640 | San Joaquin River |
| City of Newman | http://www.cityofnewman.com/ | Koosun Kim Public Works Director 209-862-4448 kkim@cityofnewman.com | 1162 Main Street P.O. Box 1162 Newman, CA 95360 | San Joaquin River |
| City of Patterson | http://www.ci.patterson.ca.us/ | Ken Irwin City Manager 209-895-8010 kirwin@ci.patterson.ca.us | 1 Plaza P.O. Box 667 Patterson, CA 95363 | San Joaquin River |
| Clay Water District | Rebecca Smith Attorney 916-444-1000 rsmith@downeybrand.com | 621 Capitol Mall 18th Floor Sacramento, CA 95814 | San Joaquin River | |
| Contra Costa County | Ryan Hernandez 925-674-7824 ryan.hernandez@dcd.cccounty.us | 30 Muir Road Martinez, CA 94553 | San Joaquin River | |
| County of Madera - 1 | http://www.madera-county.com/ | Julia Berry Director - Water Resources Dept. 559-675-7821 mcwater@madera-county.com | 200 W. Fourth Street, Suite 3100 Madera, CA 93637 | San Joaquin River |
| County of Madera - 2 | http://www.madera-county.com/ | Julia Berry Director - Water Resources Dept. 559-675-7821 mcwater@madera-county.com | 200 W. Fourth Street, Suite 3100 Madera, CA 93637 | San Joaquin River |
| County of Madera - 3 | http://www.madera-county.com/ | Julia Berry Director - Water Resources Dept. 559-675-7821 mcwater@madera-county.com | 200 W. Fourth Street, Suite 3100 Madera, CA 93637 | San Joaquin River |
| County of Merced - County of Merced Chowchilla Subbasin GSA | http://www.countyofmerced.com | Lacey Kiriakou Water Resources Coordinator 209-385-7654 lkiriakou@countyofmerced.com | 2222 M Street Merced, CA 95340 | San Joaquin River |
| County of Sacramento | Kerry Schmitz Water Supply Division Chief 916-874-4681 schmitzk@SacCounty.NET | 827 7th Street Room 301 Sacramento, CA 95814 | San Joaquin River | |
| Diablo Water District | http://www.diablowater.org | Mike Yeraka General Manager 925-625-3798 mikegm1@aol.com | 87 Carol Lane Oakley, CA 94561 | San Joaquin River |
| Discovery Bay Community Services District | http://www.todb.ca.gov/ | Michael Davies General Manager (925) 634-1131 mdavies@todb.ca.gov | 1800 Willow Lake Road Discovery Bay, CA 94505 | San Joaquin River |
| DM-II | Anthea Hansen General Manager 209-892-4470 ahansen@delpuertowd.org | P.O. Box 1596 Patterson, CA 95363 | San Joaquin River | |
| East Contra Costa Irrigation District | Patricia Corey General Manager 925.634.3544 patcorey@cwo.com | 1711 Sellers Avenue Brentwood, CA 94513 | San Joaquin River | |
| East Turlock Subbasin GSA | eastsidewaterdistrict.com | Kevin Kauffman Water Consultant (209) 478-4940 kauffmankevin@comcast.net | P O Box 280 Denair, CA 95316 | San Joaquin River |
| Eastside San Joaquin Groundwater Sustainability Agency | http://www.ccwd.org | Peter Martin Water Resources Program Manager (209) 754-3094 peterm@ccwd.org | P.O. Box 846 San Andreas, CA 95249 | San Joaquin River |
| Farmers Water District | Jim Stilwell President 530-661-0109 whalligan@lsce.com | 4460 W. Shaw Avenue #219 Fresno, CA 93722 | San Joaquin River | |
| Fresno County - Management Area 'B' | http://www.co.fresno.ca.us | Bernard Jimenez Deputy Director of Planning (559)600-4234 bjimenez@co.fresno.ca.us | 2220 Tulare St. 6th Floor Fresno, CA 93721 | San Joaquin River |
| Fresno County - Management Area A | http://www.co.fresno.ca.us | Bernard Jimenez Deputy Director of Planning (559)600-4234 bjimenez@co.fresno.ca.us | 2220 Tulare St. 6th Floor Fresno, CA 93721 | San Joaquin River |
| Galt Irrigation District | Leo VanWarmerdam President 209-914-1140 leovw1@hotmail.com | PO Box 187 Herald, CA 95638 | San Joaquin River | |
| Grasslands Groundwater Sustainability Agency | http://gwdwater.org/ | Ricardo Ortega General Manager 209-826-5188 rortega@gwdwater.org | 200 W. Willmont Avenue Los Banos, CA 93635 | San Joaquin River |
| Gravelly Ford Water District | Don Roberts General Manager 559-474-1000 donroberts717@gmail.com | 18811 Road 27 Madera, CA 93638 | San Joaquin River | |
| Lathrop City Of | http://www.ci.lathrop.ca.us | Tim McCoy Director of Public Works 209-941-7430 tmccoy@ci.lathrop.ca.us | 390 Towne Center Drive Lathrop, CA 95330 | San Joaquin River |
| Linden County Water District | Clifford Powell President, Board of Directors 209-887-3216 rmblrmn@aol.com | 18243 E. Hwy 26 P.O. Box 595 Linden, CA 95236 | San Joaquin River | |
| Lockeford Community Service District | Joe Salzman General Manager (209) 727-5035 lcsd@softcom.net | 17725 N. Tully Road P.O. Box 809 Lockeford, CA 95237-0809 | San Joaquin River | |
| Lodi City Of | http://www.lodi.gov | Charles Swimley Interim Public Works Director 209-333-6706 cswimley@lodi.gov | 221 West Pine Street P.O. Box 3006 Lodi, CA P.O. Box 3 | San Joaquin River |
| Madera Irrigation District | http://www.madera-id.org/ | Thomas Greci General Manager 559-673-3514 TGreci@madera-id.org | 12152 Road 28 1/4 Madera, CA 93637 | San Joaquin River |
| Madera Water District | Brad Samuelson Consultant 209-809-2300 fresno@ppeng.com | 1663 N. Schnoor Avenue Suite 105 Madera, CA 93703-6056 | San Joaquin River | |
| Merced County - Delta-Mendota | http://www.countyofmerced.com | Lacey Kiriakou Water Resources Coordinator 209-385-7654 lkiriakou@countyofmerced.com | 2222 M Street Merced, CA 95340 | San Joaquin River |
| Merced Irrigation-Urban Groundwater Sustainability Agency (MIUGSA) | http://www.mercedid.org | Hicham Eltal Deputy General Manager, Water 209-354-2854 heltal@mercedid.org | 744 W. 20th Street Merced, CA 95340 | San Joaquin River |
| Merced Subbasin GSA | http://www.countyofmerced.com | Lacey Kiriakou Water Resources Coordinator 209-385-7654 lkiriakou@countyofmerced.com | 2222 M Street Merced, CA 95340 | San Joaquin River |
| New Stone Water District | Roger Skinner District Representative 559-834-6677 rskinner@lionraisins.com | 9500 S. De Wolf Selma, CA 93662 | San Joaquin River | |
| North San Joaquin Water Conservation District | http://www.nsjgroundwater.org | Jennifer Spaletta General Counsel 209-224-5568 jennifer@spalettalaw.com | P.O. Box E Victor, CA 95253 | San Joaquin River |
| Northwestern Delta-Mendota GSA | http://www.stancounty.com | Walter Ward Water Resources Manager (209) 525-6710 wward@envres.org | 3800 Cornucopia Way, Suite C Modesto, CA 95358 | San Joaquin River |
| Oakdale Irrigation District Eastern San Joaquin Sub-basin Groundwater Sustainability Agency | http://www.oakdaleirrigation.com | Eric Thorburn Water Operations Manager (209) 840-5525 ethorburn@oakdaleirrigation.com | 1205 East F Street Oakdale, CA 95361 | San Joaquin River |
| Omochumne-Hartnell Water District | http://ohwd.org/ | Mike Wackman General Manager 916-682-5958 info@ohwd.org | 8698 Elk Grove Blvd. Suite 1-207 Elk Grove, CA 95624 | San Joaquin River |
| Ora Loma Water District | Steve Sloan 2098265900 d.raineri@sbcglobal.net | 264 I Street Los Banos, CA 93635 | San Joaquin River | |
| Patterson Irrigation District | http://pattersonid.org/ | Vince Lucchesi General Manager 209-892-6233 vlucchesi@pattersonid.org | P.O. Box 685 Patterson, CA 95363 | San Joaquin River |
| Root Creek Water District | Nick Bruno President 559-326-2222 nivk@ccdgllc.com | P.O. Box 28548 Fresno, CA 93729 | San Joaquin River | |
| San Joaquin County - ESJ | http://www.sjgov.org/ | Brandon Nakagawa Water Resources Coordinator (209) 468-3089 bnakagawa@sjgov.org | P.O. Box 1810 1810 E. Hazelton Avenue Stockton, CA 95201 | San Joaquin River |
| San Joaquin County - Tracy | http://www.sjgov.org/ | Brandon Nakagawa Water Resources Coordinator (209) 468-3089 bnakagawa@sjgov.org | P.O. Box 1810 1810 E. Hazelton Avenue Stockton, CA 95201 | San Joaquin River |
| San Joaquin County No. 2 | http://www.sjgov.org/ | Brandon Nakagawa Water Resources Coordinator (209) 468-3089 bnakagawa@sjgov.org | P.O. Box 1810 1810 E. Hazelton Avenue Stockton, CA 95201 | San Joaquin River |
| San Joaquin River Exchange Contractors Water Authority | http://www.sjrecwa.net/ | Steve Chedester Executive Director 209-827-8616 stevechedester@sjrecwa.net | 541 H Street P.O Box 2115 Los Banos, CA 93635 | San Joaquin River |
| Sloughhouse Resource Conservation District - Cosumnes | Amanda Platt District Secretary 916-612-5163 SloughhouseRCD@gmail.com | 8698 Elk Grove Blvd Suite 1-207 Elk Grove, CA 95624 | San Joaquin River | |
| South Delta Water Agency | John Herrick Counsel and Manager (209) 956-0150 jherrlaw@aol.com | 4255 Pacific Avenue Suite 2 Stockton, CA 95207 | San Joaquin River | |
| South San Joaquin Groundwater Sustainability Agency | Peter Rietkerk General Manager 2092494645 prietkerk@ssjid.com | 1011 CA-20 Manteca , CA 95336 | San Joaquin River | |
| Stanislaus and Tuolumne Rivers Groundwater Basin Association | http://www.mid.org | John Davids Assistant General Manager 209-529-7564 John.Davids@mid.org | 1231 11th Street Modesto, CA 95354 | San Joaquin River |
| Stewart Tract GSA | Ryan Alameda River Islands- Lead Engineer 209-879-7900 ralameda@riverislands.com | 73 West Stewart Road Lathrop, CA 95330 | San Joaquin River | |
| Stockton City Of | http://www.stocktongov.com | Kurt Wilson City Manager 209-937-8212 city.manager@stocktonca.gov | 425 N. El Dorado Street Stockton, CA 95202 | San Joaquin River |
| Stockton East Water District | http://www.sewd.net/ | Cathy Lee District Engineer 209-948-0537 clee@sewd.net | 6767 East Main Street Stockton, CA 95215 | San Joaquin River |
| Tracy City Of | http://www.ci.tracy.ca.us | Steve Bayley Project Specialist 209-831-6356 SteveB@ci.tracy.ca.us | 3900 Holly Drive Tracy, CA 95304 | San Joaquin River |
| Triangle T Water District GSA | http://www.ppeng.com | Brad Samuelson Principal (209) 658-8487 bsamuelson@ppeng.com | 3341 "M" Street Merced, CA 95348 | San Joaquin River |
| Tuolumne Groundwater Sustainability Agency | tuolumnecounty.ca.gov | Liz Peterson Administrative Analyst 209-533-5511 epeterson@co.tuolumne.ca.us | 2 S. Green St. Sonora, CA 95370 | San Joaquin River |
| Turner Island Water District - 1 | Donald Skinner President 209-827-7700 dskinner@wolfseninc.com | 1269 W. I Street Los Banos, CA 93635 | San Joaquin River | |
| Turner Island Water District - 2 | Donald Skinner President 209-827-7700 dskinner@wolfseninc.com | 1269 W. I Street Los Banos, CA 93635 | San Joaquin River | |
| West Side Irrigation District | Rick Gilmore District Manager 209-835-0503 r.gilmore@bbid.org | 1320 N. Tracy Boulevard P.O. Box 177 Tracy, CA 95378 | San Joaquin River | |
| West Stanislaus Irrigation District - 1 | Robert Pierce General Manager 209-894-3091 bobby.pierce@weststanislausid.org | 1800 E. West Stanislaus Rd. Westley, CA 95387 | San Joaquin River | |
| West Stanislaus Irrigation District - 2 | Robert Pierce General Manager 209-894-3091 bobby.pierce@weststanislausid.org | 1800 E. West Stanislaus Rd. Westley, CA 95387 | San Joaquin River | |
| West Turlock Subbasin Groundwater Sustainability Agency | Michael Cooke Tech Advisory Committee - Chair (209) 668-6045 mcooke@turlock.ca.us | P.O. Box 949 Turlock, CA 95381 | San Joaquin River | |
| Widren Water District GSA | Damian Aragona Assistant General Manager (209) 826-0342 damian@jpprop.org | 259 I Street Los Banos , CA 93635 | San Joaquin River | |
| Woodbridge Irrigation District | Anders Christensen General Manager (209) 625-8438 widirrigation@gmail.com | 18750 N. Lower Sacramento Road P.O. Box 580 Woodbridge, CA 95258 | San Joaquin River |