Day Canyon Creek (Valley Reach)

Not in 2026 Appendix A Waterbody ID CAR8012100019991013171811 River & Stream Region 8 · Santa Ana

At a glance

2026 listing Evidence: State-published
Not on the 2026 303(d) list
What a listing means
Pollutants and stressors
No Appendix A decisions
TMDL information Evidence: State-published
No TMDL requirement status in Appendix A
TMDL details
Regional Water Board
Region 8 · Santa Ana
River & Stream · Map
Industrial stormwater facilities
0 report it as their receiving water Evidence: identification corroborated
380 within 1 km Evidence: geographic proximity
Neither count establishes a discharge · Facilities

What a 303(d) listing means

The Clean Water Act section 303(d) list names waters that do not meet water quality standards for one or more pollutants or stressors. California publishes it in the Integrated Report; this page shows the 2026 decisions from Appendix A as published.

2026 listing status Evidence: State-published

On the 2026 303(d) list
No (2026 geometry only)
Appendix A decisions
0
Integrated Report category
—
Listing cycle
2026
Regional Water Board
8 — Santa Ana

Published by the State Water Resources Control Board (2026 California Integrated Report, Appendix A). Listing status is taken from Appendix A only. A listing describes the condition of this waterbody, not of any facility.

Location

Loading the waterbody shape…

Listing decisions and pollutants Evidence: State-published

No Appendix A decisions for this waterbody.

TMDL information Evidence: State-published

Appendix A records no TMDL requirement status for this waterbody.

This is TMDL information for the waterbody. It does not establish that a TMDL applies to any particular facility. Facility-specific TMDL requirements recorded in SMARTS appear on facility pages and are not linked to this waterbody until reviewed.

HUC12 watersheds

Published with the listing Evidence: publisher-reported

None published.

Overlapping the waterbody's shape Evidence: spatial

Industrial stormwater facilities

Evidence: identification corroborated

Shows: the facility named this waterbody as its receiving water in SMARTS, and the name and the facility's location are consistent with it. Does not establish: a discharge pathway, a discharge of any pollutant, or a cause of the listing.

Evidence: geographic proximity

Shows: the facility's reported location is within 1 km of the waterbody's mapped shape. Does not establish: that the facility discharges to this waterbody, or any other relationship.

Report this waterbody as their receiving water Evidence: identification corroborated

No facility's reported receiving water is identified as this waterbody.

Within 1 km of a facility's reported location Evidence: geographic proximity

Spatial proximity only; discharge pathway not established. Being near this waterbody does not mean a facility discharges to it.

Facilities whose reported location is within 1 km of this waterbody
FacilityWDIDStatusDistanceMap
Highland Plastics8 33NEC005281 Active916 m map
NRI LLC8 36NEC010434 Active917 m map
Cardone Industries8 36NEC005266 Terminated920 m map
ASSA ABLOY SW8 36I030292 Active920 m map
ASSA ABLOY SW8 36I031254 Terminated920 m map
Assa Abloy Service Center8 36I031722 Active920 m map
ASSA ABLOY SW8 36NEC006975 Terminated920 m map
Mission Foods Corp8 36I018490 Active921 m map
Inland Empire Regional Composting Facility8 36I028737 Active924 m map
Sam-Son Distribution Center West Inc8 36NEC002904 Terminated924 m map
Sears 450588 33NEC004186 Terminated930 m map
Prime Manufacturing8 33NEC010483 Terminated934 m map
Highland Plastics4 19I004010 Terminated937 m map
QQW INC8 36NEC009339 Active940 m map
CEVA lOGISTICS8 36NEC006511 Active943 m map
The Home Depot SDC 56458 33NEC008147 Active944 m map
Dominos Pizza Dry Warehouse8 36NEC013119 Active960 m map
Saddle Creek Logistics Philly8 36NEC007291 Active964 m map
SLM Warehousing RC LLC8 36NEC011532 Active965 m map
Southwest Sch & Office Su8 36I017231 Terminated972 m map
LKQ Pick A Part8 36I005137 Terminated976 m map
Pick a Part Auto Dismantling8 36I031639 Active976 m map
Gerard Daniel Worldwide8 33NEC004130 Terminated979 m map
Stiles Animal Removal8 36I027289 Active984 m map
Stiles Animal Removal Inc8 36IN602987 NOI Required984 m map
FLASH SUPPLY CHAIN SOLUTIONS LLC8 36NEC013097 Active985 m map
Warehouse8 33NEC015853 Active986 m map
The Newark Group Inc8 36NEC001249 Terminated987 m map
XPO Logistics8 36NEC006618 Terminated997 m map
Pier Enterprise8 36NEC008688 Active997 m map

380 facilities, nearest first. Page 8 of 8: previous

Sources and provenance

Sources behind this page
InformationSourceRetrieved
Watershed Boundary Dataset HU2 GeoPackages 15, 16, 18 (WBDHU12)USGS2026-10-22
2026 California Integrated Report, Appendix A: 2026 303(d) List (final)SWRCB2026-10-22
Final_2026_Rivers_and_Streams + Final_2026_Lakes_and_Reservoirs (FeatureServer 0)SWRCB GIS2026-10-22
SMARTS TMDL requirementsSMARTS2026-10-21

Relationships computed 2026-10-22 (facility_huc12/1, proximity/1, receiving_water/2, tmdl_reference/1, waterbody_huc12_ovl/1, waterbody_huc12_pub/1).

Integrated Report categories: 5, a TMDL is required; 4a, addressed by a USEPA-approved TMDL; 4b, addressed by other pollution control requirements; 4c, impairment not caused by a pollutant.