Coorstek Vista Inc

Terminated WDID 9 37I023370 Vista, San Diego County Region 9 · San Diego

At a glance

Permit Evidence: SMARTS record
Terminated Industrial
Notice of Intent (WDID code I) · Permits and applications
Location Evidence: facility-reported
Vista, San Diego County
Region 9 · San Diego · Location · Statewide map
Receiving water
Buena Creek (as reported by the facility)
Evidence: identification corroborated Buena Creek Details
Identified receiving water on the 2026 303(d) list
Yes · 7 Appendix A decisions, category 5 Evidence: State-published
Describes the waterbody, not this facility · Waterbody profile
2026 Integrated Report waters within 1.0 km Evidence: geographic proximity
1 waterbody; 1 on the 2026 303(d) list
Proximity only; not a discharge pathway · Nearby waterbodies
Monitoring results Evidence: facility-reported
56 distinct results, 5 reporting years (2015 to 2019)
Most recent sample Nov 19, 2019 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
0 inspections · 0 violation records · 0 enforcement actions
Counts as published in SMARTS; not a compliance determination · Details
SMARTS TMDL records Evidence: SMARTS-reported
0 records
TMDL records

Each label shows where a statement comes from. How to read the labels.

Overview and location

Reported facility location HUC12 watershed Corroborated receiving water 2026 Integrated Report waterbodies nearby

Open this facility on the statewide map

Reported location Evidence: facility-reported

Coordinates
33.167797, -117.220917
Precision
6 decimal places
Shared point
No
Matches application record
same

Facility location as reported by the discharger in SMARTS; not a discharge point or outfall.

Facility address
1960 Watson Way, Vista 92081
Regional Water Board
9 — San Diego

HUC12 watershed Evidence: spatial

  • Agua Hedionda Creek HUC12 180703030502

The facility's reported location lies within this HUC12 watershed (spatial derivation); it is not a discharge location.

Permits and applications Evidence: SMARTS record

Current permit record

Permit type
Industrial
Application type
Notice of Intent (WDID code I)
Status
Terminated
Operator
Coorstek Vista Inc
Primary industry (SIC)
3297-Nonclay Refractories
Application ID
420983
NOI processed
Oct 12, 2011
Termination effective
Jun 27, 2022
Last certified
Apr 26, 2022
Facility size
40000 SqFt
Impervious area
97 %

Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.

Permit history

Storm water applications for this WDID, newest first
ApplicationTypeStatusProcessedTerminatedCertified
420983 IndustrialTerminatedOct 12, 2011 Jun 27, 2022Apr 26, 2022

Every storm water application SMARTS records for this WDID, newest first (1).

Receiving water

Reported by the facility Evidence: facility-reported
Buena Creek
Discharges directly / indirectly
N / Y (as answered in the permit application)

Evidence: identification corroborated Buena Creek CAR9043200020050630113820

Receiving water reported by facility — waterbody identification corroborated by geographic evidence.

Nearest distance from the reported facility location: 321 m. Method receiving_water/2.

2026 Integrated Report status Evidence: State-published

Buena Creek is on the 2026 Clean Water Act section 303(d) list (7 Appendix A decisions; category 5).

2026 Appendix A decisions for the identified receiving water
PollutantCategoryListing decisionTMDL requirementDecision ID
Benthic Community Effects5List on 303(d) list (TMDL required list) 5A125934
DDT (Dichlorodiphenyltrichloroethane)5List on 303(d) list (TMDL required list) 5A68398
Indicator Bacteria5List on 303(d) list (TMDL required list) 5A86639
Nitrate and Nitrite5Do Not Delist from 303(d) list (TMDL required list) 5A68907
Nitrogen5Do Not Delist from 303(d) list (TMDL required list) 5A132046
Phosphorus5Do Not Delist from 303(d) list (TMDL required list) 5A111627
Sulfates5List on 303(d) list (TMDL required list) 5A111629

Published by the State Water Resources Control Board (2026 California Integrated Report, Appendix A). Listing status is taken from Appendix A only. State Board adoption 2026-02-03; USEPA approval not confirmed. A listing describes the waterbody, not this facility. Waterbody profile.

Impaired waters and TMDLs

Two kinds of information, kept apart: 2026 Integrated Report waterbodies near the reported location (geographic proximity only), and TMDL records that SMARTS lists for this facility. Neither establishes where the facility discharges; see Receiving water for the facility's own statement.

Nearby waterbodies Evidence: geographic proximity

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

Nearest 2026 Integrated Report waterbodies
Waterbody (2026 Integrated Report)Distance2026 303(d) listAppendix A decisions
Buena Creek CAR9043200020050630113820321 m listed7

Waterbodies within 1.0 km of the reported facility location. Method proximity/1.

SMARTS TMDL records Evidence: SMARTS-reported

No TMDL records for this facility in the SMARTS TMDL export.

Reported monitoring results Evidence: facility-reported

Numeric Action Level (NAL) screening is being independently validated and is not shown. Nothing on this page states whether a result exceeded a NAL.

56 distinct measurements across 4 parameters, most recent sample Nov 19, 2019.

By reporting year

Distinct results by reporting year
Reporting year (July–June)Distinct resultsParametersWith several versionsFirst sampleLast sample
201944 0 Nov 19, 2019Nov 19, 2019
2018124 0 Dec 05, 2018Apr 29, 2019
201744 0 Mar 22, 2018Mar 22, 2018
2016164 0 Sep 20, 2016Jan 09, 2017
2015204 0 Sep 15, 2015May 06, 2016

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Aluminum, Totalmg/L14 2Sep 15, 2015Nov 19, 2019 Results
Oil and Greasemg/L14 6Sep 15, 2015Nov 19, 2019 Results
pHSU14 0Sep 15, 2015Nov 19, 2019 Results
Total Suspended Solids (TSS)mg/L14 0Sep 15, 2015Nov 19, 2019 Results

All results (56 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Nov 19, 2019 Aluminum, Total .945 mg/L Effluent Qualifying Storm Event E200.8 1091232
Nov 19, 2019 Oil and Grease 1.8 mg/L Effluent Qualifying Storm Event E1664A 1091232
Nov 19, 2019 pH 6.9 SU Effluent Qualifying Storm Event pH_Field 1091232
Nov 19, 2019 Total Suspended Solids (TSS) 162 mg/L Effluent Qualifying Storm Event A2540D 1091232
Apr 29, 2019 Aluminum, Total .523 mg/L Effluent Qualifying Storm Event E200.8 1056921
Apr 29, 2019 Oil and Grease 3.6 mg/L Effluent Qualifying Storm Event E1664A 1056921
Apr 29, 2019 pH 8.3 SU Effluent Qualifying Storm Event pH_Field 1056921
Apr 29, 2019 Total Suspended Solids (TSS) 69.2 mg/L Effluent Qualifying Storm Event A2540D 1056921
Feb 13, 2019 Aluminum, Total .146 mg/L Effluent Qualifying Storm Event E200.8 1044698
Feb 13, 2019 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1044698
Feb 13, 2019 pH 8 SU Effluent Qualifying Storm Event pH_Field 1044698
Feb 13, 2019 Total Suspended Solids (TSS) 48 mg/L Effluent Qualifying Storm Event A2540D 1044698
Dec 05, 2018 Aluminum, Total 1.93 mg/L Effluent Qualifying Storm Event E200.8 1030960
Dec 05, 2018 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 1030960
Dec 05, 2018 pH 8.3 SU Effluent Qualifying Storm Event pH_Field 1030960
Dec 05, 2018 Total Suspended Solids (TSS) 68.8 mg/L Effluent Qualifying Storm Event A2540D 1030960
Mar 22, 2018 Aluminum, Total .519 mg/L Effluent Qualifying Storm Event E200.8 997058
Mar 22, 2018 Oil and Grease 2.7 mg/L Effluent Qualifying Storm Event E1664A 997058
Mar 22, 2018 pH 8.1 SU Effluent Qualifying Storm Event pH_Field 997058
Mar 22, 2018 Total Suspended Solids (TSS) 80.4 mg/L Effluent Qualifying Storm Event A2540D 997058
Jan 09, 2017 Aluminum, Total .163 mg/L Effluent Qualifying Storm Event A3113B 915384
Jan 09, 2017 Oil and Grease ND mg/L Effluent Qualifying Storm Event A5220B 915384
Jan 09, 2017 pH 6.7 SU Effluent Qualifying Storm Event pH_Field 915384
Jan 09, 2017 Total Suspended Solids (TSS) 16.3 mg/L Effluent Qualifying Storm Event A2540D 915384
Jan 05, 2017 Aluminum, Total .412 mg/L Effluent Qualifying Storm Event A3113B 915707
Jan 05, 2017 Oil and Grease ND mg/L Effluent Qualifying Storm Event A5220B 915707
Jan 05, 2017 pH 7.1 SU Effluent Qualifying Storm Event pH_Field 915707
Jan 05, 2017 Total Suspended Solids (TSS) 19.1 mg/L Effluent Qualifying Storm Event A2540D 915707
Oct 24, 2016 Aluminum, Total ND mg/L Effluent Qualifying Storm Event E200.8 907902
Oct 24, 2016 Oil and Grease 2.66 mg/L Effluent Qualifying Storm Event A5220B 907902
Oct 24, 2016 pH 7 SU Effluent Qualifying Storm Event pH_Field 907902
Oct 24, 2016 Total Suspended Solids (TSS) 55.4 mg/L Effluent Qualifying Storm Event A2540D 907902
Sep 20, 2016 Aluminum, Total ND mg/L Effluent Qualifying Storm Event E200.8 906675
Sep 20, 2016 Oil and Grease 2.87 mg/L Effluent Qualifying Storm Event E1664A 906675
Sep 20, 2016 pH 7.2 SU Effluent Qualifying Storm Event pH_Field 906675
Sep 20, 2016 Total Suspended Solids (TSS) 52.3 mg/L Effluent Qualifying Storm Event A2540D 906675
May 06, 2016 Aluminum, Total 3.62 mg/L Effluent Qualifying Storm Event E200.8 872871
May 06, 2016 Oil and Grease < 2.125 mg/L Effluent Qualifying Storm Event E1664A 872871
May 06, 2016 pH 6.6 SU Effluent Qualifying Storm Event pH_Field 872871
May 06, 2016 Total Suspended Solids (TSS) 282 mg/L Effluent Qualifying Storm Event A2540D 872871
Apr 07, 2016 Aluminum, Total 1.28 mg/L Effluent Qualifying Storm Event E200.8 870867
Apr 07, 2016 Oil and Grease 4.6 mg/L Effluent Qualifying Storm Event E1664A 870867
Apr 07, 2016 pH 7 SU Effluent Qualifying Storm Event pH_Field 870867
Apr 07, 2016 Total Suspended Solids (TSS) 178 mg/L Effluent Qualifying Storm Event A2540D 870867
Mar 11, 2016 Aluminum, Total .99 mg/L Effluent Qualifying Storm Event E200.8 869674
Mar 11, 2016 Oil and Grease 4.1 mg/L Effluent Qualifying Storm Event E1664A 869674
Mar 11, 2016 pH 6.9 SU Effluent Qualifying Storm Event pH_Field 869674
Mar 11, 2016 Total Suspended Solids (TSS) 134 mg/L Effluent Qualifying Storm Event A2540D 869674
Dec 11, 2015 Aluminum, Total .98 mg/L Effluent Qualifying Storm Event E200.8 859199
Dec 11, 2015 Oil and Grease ND mg/L Effluent Qualifying Storm Event E1664A 859199

Results are shown exactly as reported by the discharger. Identical rows repeated in the State's export are shown once. Where the export contains different versions of the same sample and parameter, each version is listed and flagged. Details.

Compliance and enforcement records Evidence: SMARTS record

These are records as the State Water Board publishes them in SMARTS, with the source's own types and statuses. They are not a compliance determination or rating. A record listed here is not proof of a violation beyond what the source states, and the absence of records does not establish compliance.

Compliance and enforcement records by type
Record typeRecordsAs publishedDatesRetrievedList
Violations0 0 Violation · 0 Potential (preliminary) · 0 Dismissed — Oct 21, 2026
Enforcement actions0 0 issued · 0 draft · 0 withdrawn, rescinded or superseded — Oct 21, 2026
Inspections0inspections, not findings — Oct 21, 2026
Annual reports7certified reports (contents not shown) 2015 – 2021 Oct 21, 2026 All reports
Water-quality-based corrective action reports0reports, by parameter — Oct 21, 2026

Each record type is counted by its own SMARTS identifier. A violation and the enforcement action that cites it are two records in two lists; they are never added together.

Chronological record history (7 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
May 03, 2022 Annual reports 1115852 Annual report 2021 —
Jul 15, 2021 Annual reports 1063978 Annual report 2020 —
Jul 13, 2020 Annual reports 980919 Annual report 2019 —
Jul 15, 2019 Annual reports 957203 Annual report 2018 —
Jul 16, 2018 Annual reports 942636 Annual report 2017 —
Jun 29, 2017 Annual reports 882115 Annual report 2016 —
Jun 30, 2016 Annual reports 841568 Annual report 2015 —

Sources and provenance

Sources behind this page
InformationSourceRetrieved or published
Permit, location, receiving-water textSMARTS Industrial Application Specific DataOct 20, 2026
Permit historySMARTS Storm Water ApplicationsOct 20, 2026
Monitoring resultsSMARTS Industrial Parameter DataOct 20, 2026
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 with methods facility_huc12/1, proximity/1, receiving_water/2, tmdl_reference/1, waterbody_huc12_ovl/1, waterbody_huc12_pub/1; proximity threshold 1.0 km.

How to read the evidence labels

Records are shown as published and are not compliance determinations. How geographic context is derived.