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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 11046500 SAN JUAN C NR SAN JUAN CAPISTRANO CA
Orange County, California
Hydrologic Unit Code 18070301
Latitude  33°31'08", Longitude 117°37'27" NAD27
Drainage area 106  square miles
Gage datum 150.00 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
902004-09-15 12:55PDTYesJVCUSGS0.04 Good NONE
892004-08-30 11:05PDTYesJVCUSGS0.03 Good NONE
882004-08-17 10:00PDTYesJVC/BAHUSGS0.04 Good NONE
872004-08-05 08:10PDTYesJVC/KLSUSGS0.08 FairDebrisLightNONE
862004-07-16 09:50PDTYesLAC/JVCUSGS0.08 Fair NONE
852004-06-29 10:45PDTYesA/CUSGS0.12 FairDebrisLightNONE
842004-06-17 09:45PDTYesKAOUSGS0.18 Good NONE
832004-06-02 13:27PDTYesKAOUSGS0.17 Good NONE
822004-05-18 09:55PDTYesKAOUSGS0.24 Fair NONE
812004-05-05 14:08PDTYesKAO/BAHUSGS0.25 Good NONE
802004-04-19 15:20PDTYesKAOUSGS3.46 Fair NONE
792004-04-07 10:36PDTYesKAO/BAHUSGS3.25 Fair NONE
782004-03-17 09:50PSTYesKAO/BAHUSGS4.51 Fair NONE
772004-03-04 11:20PSTYesBAHUSGS11.2 Good NONE
762004-02-18 11:13PSTYesKAOUSGS3.69 Fair NONE
752004-02-04 07:45PSTYesKAO/BAHUSGS8.20 Fair NONE
742004-01-23 11:05PSTYesKAOUSGS3.13 Fair NONE
732004-01-07 08:11PSTYesKAO/BAHUSGS5.01 Fair NONE
722003-12-30 08:30PSTYesKAOUSGS6.08 Fair NONE
712003-12-02 13:45PSTYesKAOUSGS2.39 Fair NONE
702003-11-20 11:30PSTYesKAOUSGS3.65 Fair NONE
692003-11-04 12:30PSTYesKAOUSGS0.11 Unspecified NONE
682003-10-24 11:25PDTYesKAOUSGS0.08 Unspecified NONE
672003-10-07 15:15PDTYesKAOUSGS0.09 Unspecified NONE
662003-09-26 10:10PDTYesKAOUSGS0.14 Unspecified NONE
652003-09-05 11:30PDTYesKAOUSGS0.20 Poor NONE
642003-08-22 10:50PDTYesKAOUSGS0.28 Poor NONE
632003-08-05 13:10PDTYesKAOUSGS1.22 Fair NONE
622003-07-18 12:20PDTYesKAOUSGS0.41 Poor NONE
612003-07-03 11:30PDTYesKAOUSGS1.22 Poor NONE
602003-06-19 12:30PDTYesKAOUSGS3.22 Fair NONE
592003-06-10 11:20PDTYesNKUSGS4.84 Poor NONE
582003-05-22 11:20PDTYesKAOUSGS3.10 Poor NONE
572003-05-06 17:00PDTYesKAOUSGS8.84 Fair NONE
562003-04-22 15:25PDTYesKAOUSGS11.4 Fair NONE
552003-04-08 11:20PDTYesKAOUSGS6.59 Fair NONE
542003-03-27 12:58PSTYesKAOUSGS11.6 Fair NONE
532003-03-11 13:00PSTYesKAOUSGS2.72 Fair NONE
522003-02-27 12:00PSTYesKAOUSGS117 Poor NONE
512003-02-20 12:40PSTYesKAOUSGS1.94 Fair NONE
502003-01-28 13:07PSTYesKAOUSGS0.24 Unspecified NONE
492003-01-17 12:30PSTYesBAH/JMCUSGS0.38 Unspecified NONE
482002-12-31 11:45PSTYesKAOUSGS0.95 Fair NONE
472002-10-03 10:55PDTYesKAOUSGS0.02 Unspecified NONE
462002-09-19 14:10PDTYesKAOUSGS0.04 Unspecified NONE
452002-09-05 14:05PDTYesKAOUSGS0.06 Unspecified NONE
442002-08-21 10:17PDTYesKAOUSGS0.07 Unspecified NONE
432002-08-07 12:17PDTYesKAOUSGS0.06 Unspecified NONE
422002-07-18 09:40PDTYesKAOUSGS0.06 Unspecified NONE
412002-07-02 13:40PDTYesKAOUSGS0.04 Unspecified NONE
402002-06-21 08:05PDTYesKAOUSGS0.08 Unspecified NONE
392002-06-06 11:30PDTYesBAHUSGS0.10 Unspecified NONE
382002-05-31 11:20PDTYesKAOUSGS0.06 Unspecified NONE
372002-05-09 12:15PDTYesKAOUSGS0.19 Poor NONE
362002-04-30 09:20PDTYesKAOUSGS0.85 Poor NONE
352002-04-16 09:45PDTYesKAOUSGS1.05 Fair NONE
342002-03-26 09:35PSTYesKAOUSGS2.41 Fair NONE
332002-03-08 06:45PSTYesKAOUSGS3.58 Fair NONE
322002-02-27 07:27PSTYesKAOUSGS1.39 Fair NONE
312002-02-12 09:50PSTYesKAOUSGS1.29 Fair NONE
302002-01-24 11:31PSTYesKAOUSGS0.53 Fair NONE
292002-01-07 13:05PSTYesKAOUSGS0.99 Fair NONE
282001-12-21 09:56PSTYesKAOUSGS4.12 Good NONE
272001-12-11 11:26PSTYesKAOUSGS0.89 Poor NONE
262001-11-20 10:08PSTYesKAOUSGS0.04 Unspecified NONE
252001-11-01 11:40PSTYesKAOUSGS0.06 Unspecified NONE
242001-10-18 10:50PDTYesKAOUSGS0.04 Unspecified NONE
232001-10-09 10:00PDTYesKAOUSGS0.04 Unspecified NONE
222001-09-27 09:20PDTYesKAOUSGS0.04 Unspecified NONE
212001-09-18 09:30PDTYesKAOUSGS0.04 Unspecified NONE
202001-08-23 10:45PDTYesKAOUSGS0.04 Unspecified NONE
192001-08-06 12:15PDTYesKAOUSGS0.09 Unspecified NONE
182001-07-18 13:14PDTYesKAOUSGS0.31 Poor NONE
172001-07-03 10:33PDTYesKAOUSGS0.43 Fair NONE
162001-06-19 09:49PDTYesKAOUSGS0.90 Poor NONE
152001-06-08 11:20PDTYesKAOUSGS1.27 Poor NONE
142001-05-18 10:21PDTYesKAOUSGS2.15 Fair NONE
132001-05-07 14:00PDTYesKAO/JAUSGS2.04 Fair NONE
122001-04-16 12:36PDTYesKAOUSGS3.02 Fair NONE
112001-04-04 16:50PDTYesJAUSGS3.34 Poor NONE
102001-03-21 10:15PSTYesKAOUSGS5.90 Poor NONE
92001-03-03 12:50PSTYesKAOUSGS24.2 Fair NONE
82001-02-21 11:26PSTYesKAOUSGS6.11 Fair NONE
72001-01-31 11:00PSTYesKSSUSGS1.84 Fair NONE
62001-01-18 11:00PSTYesKAOUSGS2.70 Fair NONE
52001-01-03 11:45PSTYesKSS/KAOUSGS0.25 Fair NONE
42000-12-20 11:15PSTYesKSS/KAOUSGS0.25 Fair NONE
32000-12-05 11:30PSTYesKSSUSGS0.31 Fair NONE
22000-11-17 10:15PSTYesKSSUSGS1.08 Fair NONE
12000-11-06 09:20PSTYesKSSUSGS0.65 Poor NONE