1999 Stone LLC

Active WDID 2 43I028480 San Jose, Santa Clara County Region 2 · San Francisco Bay

At a glance

Permit Evidence: SMARTS record
Active Industrial
Notice of Intent (WDID code I) · Permits and applications
Location Evidence: facility-reported
San Jose, Santa Clara County
Region 2 · San Francisco Bay · Location · Statewide map
Receiving water
Guadalupe River (as reported by the facility)
Evidence: candidate, awaiting review Details
Identified receiving water on the 2026 303(d) list
Not established
Shown only when the reported receiving water is identified and corroborated.
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
9 distinct results, 2 reporting years (2024 to 2025)
Most recent sample Nov 18, 2025 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
0 inspections · 1 violation record · 1 enforcement action
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
37.30124, -121.87338
Precision
5 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
1999 Stone Avenue, San Jose 95125
Regional Water Board
2 — San Francisco Bay

HUC12 watershed Evidence: spatial

  • San Jose State University-Frontal San Francisco Bay Estuaries HUC12 180500030305

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
Active
Operator
Tung Tai Group
Primary industry (SIC)
5093-Scrap and Waste Materials
Application ID
514455
NOI processed
Dec 20, 2019
Last certified
Nov 27, 2019
Facility size
3.9 Acres
Impervious area
70 %

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

Permit history

Storm water applications for this WDID, newest first
ApplicationTypeStatusProcessedTerminatedCertified
514455 IndustrialActiveDec 20, 2019 —Nov 27, 2019

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

Receiving water

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

Evidence: not confirmed Evidence: candidate, awaiting review Awaiting review

Receiving-water text as reported by the discharger in SMARTS; no waterbody identification has been confirmed.

Why it is not confirmed (1)
  • C3 facility HUC12 not corroborated (complete published list)

1 official waterbody shares this name; none is assigned without review.

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
Guadalupe River CAR2054005019980928160437624 m listed8

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.

9 distinct measurements across 8 parameters, most recent sample Nov 18, 2025.

By reporting year

Distinct results by reporting year
Reporting year (July–June)Distinct resultsParametersWith several versionsFirst sampleLast sample
202588 0 Nov 18, 2025Nov 18, 2025
202411 0 Feb 13, 2025Feb 13, 2025

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Oil and Greasemg/L2 1Feb 13, 2025Nov 18, 2025 Results
Aluminum, Total Recoverablemg/L1 0Nov 18, 2025Nov 18, 2025 Results
Chemical Oxygen Demand (COD)mg/L1 0Nov 18, 2025Nov 18, 2025 Results
Iron, Total Recoverablemg/L1 0Nov 18, 2025Nov 18, 2025 Results
Lead, Total Recoverablemg/L1 0Nov 18, 2025Nov 18, 2025 Results
pHSU1 0Nov 18, 2025Nov 18, 2025 Results
Total Suspended Solids (TSS)mg/L1 0Nov 18, 2025Nov 18, 2025 Results
Zinc, Total Recoverablemg/L1 0Nov 18, 2025Nov 18, 2025 Results

All results (9 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Nov 18, 2025 Aluminum, Total Recoverable .074 mg/L Effluent Qualifying Storm Event E200.8 1361884
Nov 18, 2025 Chemical Oxygen Demand (COD) 20 mg/L Effluent Qualifying Storm Event A5220D 1361884
Nov 18, 2025 Iron, Total Recoverable .17 mg/L Effluent Qualifying Storm Event E200.7 1361884
Nov 18, 2025 Lead, Total Recoverable .00222 mg/L Effluent Qualifying Storm Event E200.8 1361884
Nov 18, 2025 Oil and Grease 2.6 mg/L Effluent Qualifying Storm Event E1664A 1361884
Nov 18, 2025 pH 6.7 SU Effluent Qualifying Storm Event A4500HB 1361884
Nov 18, 2025 Total Suspended Solids (TSS) 9.1 mg/L Effluent Qualifying Storm Event A2540D 1361884
Nov 18, 2025 Zinc, Total Recoverable .11 mg/L Effluent Qualifying Storm Event E200.8 1361884
Feb 13, 2025 Oil and Grease ND 1.7 mg/L Effluent Qualifying Storm Event E1664A 1328598

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
Violations1 1 Violation · 0 Potential (preliminary) · 0 Dismissed Jul 15, 2020 – Jul 15, 2020 Oct 21, 2026 All violations
Enforcement actions1 1 issued · 0 draft · 0 withdrawn, rescinded or superseded Jul 21, 2020 – Jul 21, 2020 Oct 21, 2026 All actions
Inspections0inspections, not findings — Oct 21, 2026
Annual reports7certified reports (contents not shown) 2019 – 2025 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 (9 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Jul 14, 2026 Annual reports 1340823 Annual report 2025 —
Jun 20, 2025 Annual reports 1299986 Annual report 2024 —
Jun 11, 2024 Annual reports 1249370 Annual report 2023 —
Oct 05, 2023 Annual reports 1195685 Annual report 2022 —
Jul 15, 2022 Annual reports 1119178 Annual report 2021 —
Jun 22, 2021 Annual reports 1093729 Annual report 2019 —
Jun 22, 2021 Annual reports 1110608 Annual report 2020 —
Jul 21, 2020 Enforcement actions 438111 1st NNC - AR (First Notice of Non-Compliance (annual report)) Active
Jul 15, 2020 Violations 874449 Late Report ViolationReport

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.