Blaque Diamond
NEC Required WDID 4 19IN606325 Chatsworth, Los Angeles County Region 4 · Los Angeles
At a glance
- Location Evidence: facility-reported
- Chatsworth, Los Angeles County
- Region 4 · Los Angeles · Location
- 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
- None (no usable location)
- Monitoring results Evidence: facility-reported
- None in the current exports
- Compliance and enforcement records Evidence: SMARTS record
- 1 inspection · 1 violation record · 2 enforcement actions
- Counts as published in SMARTS; not a compliance determination · Details
Each label shows where a statement comes from. How to read the labels.
Overview and location
No usable coordinates in the permit record (missing).
Reported location Evidence: facility-reported
Not located: missing.
- Facility address
- 21500 Nordhoff Street Unit A, Chatsworth 91311
- Regional Water Board
- 4 — Los Angeles
HUC12 watershed Evidence: spatial
No HUC12 assignment (the facility has no usable reported location, or it lies outside the loaded watersheds).
Permits and applications Evidence: SMARTS record
Current permit record
- Permit type
- Industrial
- Application type
- WDID code IN
- Status
- NEC Required
- Operator
- Eric Ayden
- Primary industry (SIC)
- —
- Application ID
- 534470
- NOI processed
- Apr 08, 2021
- Last certified
- —
Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.
Permit history
| Application | Type | Status | Processed | Terminated | Certified |
|---|---|---|---|---|---|
| 534470 | Industrial | NEC Required | Apr 08, 2021 | — | — |
Every storm water application SMARTS records for this WDID, newest first (1).
Receiving water
- Reported by the facility Evidence: facility-reported
- —
- Discharges directly / indirectly
- — / — (as answered in the permit application)
No receiving-water text was reported for this permit.
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.
No 2026 Integrated Report waterbody lies within the proximity threshold of the reported location (no usable location).
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.
No industrial monitoring results for this permit are in the current exports.
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.
| Record type | Records | As published | Dates | Retrieved | List |
|---|---|---|---|---|---|
| Violations | 1 | 1 Violation · 0 Potential (preliminary) · 0 Dismissed | Mar 26, 2021 – Mar 26, 2021 | Oct 21, 2026 | All violations |
| Enforcement actions | 2 | 1 issued · 0 draft · 1 withdrawn, rescinded or superseded | Sep 20, 2021 – Oct 05, 2022 | Oct 21, 2026 | All actions |
| Inspections | 1 | inspections, not findings | Mar 26, 2021 – Mar 26, 2021 | Oct 21, 2026 | All inspections |
| Annual reports | 0 | certified reports (contents not shown) | — | Oct 21, 2026 | |
| Water-quality-based corrective action reports | 0 | reports, 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 (4 records, newest first)
| Date | Record | ID | Type or purpose | Status as published | Detail |
|---|---|---|---|---|---|
| Oct 05, 2022 | Enforcement actions | 448251 | NOV (Notice of Violation) | Active | |
| Sep 20, 2021 | Enforcement actions | 440673 | NNC (Notice of Non-Compliance) | Withdrawn | |
| Mar 26, 2021 | Inspections | 2051623 | Non-Filer/NONA | Finalized | Additional Info Required |
| Mar 26, 2021 | Violations | 876957 | Failure to Obtain Permit | Violation | Inspection |
Sources and provenance
| Information | Source | Retrieved or published |
|---|---|---|
| Permit, location, receiving-water text | SMARTS Industrial Application Specific Data | Oct 20, 2026 |
| Permit history | SMARTS Storm Water Applications | Oct 20, 2026 |
| Monitoring results | SMARTS Industrial Parameter Data | Oct 20, 2026 |
| Watershed Boundary Dataset HU2 GeoPackages 15, 16, 18 (WBDHU12) | USGS | 2026-10-22 |
| 2026 California Integrated Report, Appendix A: 2026 303(d) List (final) | SWRCB | 2026-10-22 |
| Final_2026_Rivers_and_Streams + Final_2026_Lakes_and_Reservoirs (FeatureServer 0) | SWRCB GIS | 2026-10-22 |
| SMARTS TMDL requirements | SMARTS | 2026-10-21 |
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
- Evidence: SMARTS record Evidence: facility-reported Information as published in SMARTS or reported by the discharger.
- Evidence: identification corroborated The reported receiving-water name identifies one official waterbody and the facility's location is consistent with it. It does not establish a discharge pathway.
- Evidence: candidate, awaiting review Evidence: not confirmed The reported name could match one or more official waterbodies, but no identification has been confirmed; nothing is assigned without review.
- Evidence: spatial Evidence: geographic proximity Derived from the reported location only.
- Evidence: SMARTS-reported Source records whose links to official references are not yet reviewed.
- Evidence: unavailable The information could not be loaded or is not in the sources.
Records are shown as published and are not compliance determinations. How geographic context is derived.