Pemko Manufacturing Company
Active WDID 4 56I024784 Ventura, Ventura County Region 4 · Los Angeles
At a glance
- Permit Evidence: SMARTS record
- Active Industrial
- Notice of Intent (WDID code I) · Permits and applications
- Location Evidence: facility-reported
- Ventura, Ventura County
- Region 4 · Los Angeles · Location · Statewide map
- 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
- 355 distinct results, 11 reporting years (2015 to 2025)
- Most recent sample Nov 14, 2025 · Monitoring
- Compliance and enforcement records Evidence: SMARTS record
- 1 inspection · 3 violation records · 1 enforcement action
- 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
Reported facility location HUC12 watershed Corroborated receiving water 2026 Integrated Report waterbodies nearby
Reported location Evidence: facility-reported
- Coordinates
- 34.25448, -119.23821
- 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
- 4226 Transport Street, Ventura 93003
- Regional Water Board
- 4 — Los Angeles
HUC12 watershed Evidence: spatial
- Harmon Canyon-Santa Clara River HUC12 180701020904
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
- Pemko Manufacturing Company
- Primary industry (SIC)
- 3442-Metal Doors, Sash, Frames, Molding, and Trim Manufacturing
- Application ID
- 445440
- NOI processed
- Apr 04, 2014
- Last certified
- Jul 02, 2015
- Facility size
- 5 Acres
- Impervious area
- 87 %
Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.
Permit history
| Application | Type | Status | Processed | Terminated | Certified |
|---|---|---|---|---|---|
| 445440 | Industrial | Active | Apr 04, 2014 | — | Jul 02, 2015 |
Every storm water application SMARTS records for this WDID, newest first (1).
Receiving water
- Reported by the facility Evidence: facility-reported
- —
- Discharges directly / indirectly
- N / Y (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.
| Waterbody (2026 Integrated Report) | Distance | 2026 303(d) list | Appendix A decisions |
|---|---|---|---|
| Arundell Barranca (Ventura County) CAR4031100020110223094904 | 968 m | listed | 1 |
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.
355 distinct measurements across 7 parameters, most recent sample Nov 14, 2025.
By reporting year
| Reporting year (July–June) | Distinct results | Parameters | With several versions | First sample | Last sample |
|---|---|---|---|---|---|
| 2025 | 14 | 7 | 0 | Oct 14, 2025 | Nov 14, 2025 |
| 2024 | 6 | 6 | 0 | Feb 13, 2025 | Feb 13, 2025 |
| 2023 | 21 | 7 | 0 | Dec 21, 2023 | Mar 06, 2024 |
| 2022 | 28 | 7 | 0 | Jan 04, 2023 | Mar 14, 2023 |
| 2021 | 21 | 7 | 0 | Oct 25, 2021 | Mar 28, 2022 |
| 2020 | 6 | 6 | 0 | Dec 28, 2020 | Dec 28, 2020 |
| 2019 | 28 | 7 | 0 | Nov 27, 2019 | Apr 06, 2020 |
| 2018 | 63 | 7 | 0 | Dec 05, 2018 | Feb 14, 2019 |
| 2017 | 42 | 7 | 0 | Jan 08, 2018 | Mar 21, 2018 |
| 2016 | 63 | 7 | 0 | Jan 04, 2017 | Feb 17, 2017 |
| 2015 | 63 | 7 | 0 | Jan 05, 2016 | Mar 11, 2016 |
By parameter
| Parameter | Units | Measurements | Below detection | First sample | Last sample | Results |
|---|---|---|---|---|---|---|
| Aluminum, Total Recoverable | mg/L | 51 | 0 | Jan 05, 2016 | Nov 14, 2025 | Results |
| Iron, Total Recoverable | mg/L | 51 | 0 | Jan 05, 2016 | Nov 14, 2025 | Results |
| Nitrite Plus Nitrate (as N) | mg/L | 51 | 11 | Jan 05, 2016 | Nov 14, 2025 | Results |
| Total Suspended Solids (TSS) | mg/L | 51 | 0 | Jan 05, 2016 | Nov 14, 2025 | Results |
| Zinc, Total Recoverable | mg/L | 51 | 0 | Jan 05, 2016 | Nov 14, 2025 | Results |
| Oil and Grease | mg/L | 50 | 42 | Jan 05, 2016 | Nov 14, 2025 | Results |
| pH | SU | 50 | 0 | Jan 05, 2016 | Nov 14, 2025 | Results |
All results (355 distinct rows)
| Sample date | Parameter | Result | Units | Location type | Event | Method | Report | Versions |
|---|---|---|---|---|---|---|---|---|
| Nov 14, 2025 | Aluminum, Total Recoverable | .23 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1360167 | |
| Nov 14, 2025 | Iron, Total Recoverable | .1 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1360167 | |
| Nov 14, 2025 | Nitrite Plus Nitrate (as N) | .1 | mg/L | Effluent | Qualifying Storm Event | A4500NOF | 1360167 | |
| Nov 14, 2025 | Oil and Grease | 2.6 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1360167 | |
| Nov 14, 2025 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1360167 | |
| Nov 14, 2025 | Total Suspended Solids (TSS) | 4.8 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1360167 | |
| Nov 14, 2025 | Zinc, Total Recoverable | .018 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1360167 | |
| Oct 14, 2025 | Aluminum, Total Recoverable | .74 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1355115 | |
| Oct 14, 2025 | Iron, Total Recoverable | .97 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1355115 | |
| Oct 14, 2025 | Nitrite Plus Nitrate (as N) | .14 | mg/L | Effluent | Qualifying Storm Event | A4500NOF | 1355115 | |
| Oct 14, 2025 | Oil and Grease | ND 1.7 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1355115 | |
| Oct 14, 2025 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1355115 | |
| Oct 14, 2025 | Total Suspended Solids (TSS) | 37 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1355115 | |
| Oct 14, 2025 | Zinc, Total Recoverable | .046 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1355115 | |
| Feb 13, 2025 | Aluminum, Total Recoverable | 3.5 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1327414 | |
| Feb 13, 2025 | Iron, Total Recoverable | 4 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1327414 | |
| Feb 13, 2025 | Nitrite Plus Nitrate (as N) | ND .05 | mg/L | Effluent | Qualifying Storm Event | A4500NOF | 1327414 | |
| Feb 13, 2025 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1327414 | |
| Feb 13, 2025 | Total Suspended Solids (TSS) | 90 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1327414 | |
| Feb 13, 2025 | Zinc, Total Recoverable | .0582 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1327414 | |
| Mar 06, 2024 | Aluminum, Total Recoverable | .65 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1283065 | |
| Mar 06, 2024 | Iron, Total Recoverable | .59 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1283065 | |
| Mar 06, 2024 | Nitrite Plus Nitrate (as N) | .2 | mg/L | Effluent | Qualifying Storm Event | A4500NOF | 1283065 | |
| Mar 06, 2024 | Oil and Grease | ND 1.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1283065 | |
| Mar 06, 2024 | pH | 6.5 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1283065 | |
| Mar 06, 2024 | Total Suspended Solids (TSS) | 16 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1283065 | |
| Mar 06, 2024 | Zinc, Total Recoverable | .0493 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1283065 | |
| Feb 19, 2024 | Aluminum, Total Recoverable | .68 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1282559 | |
| Feb 19, 2024 | Iron, Total Recoverable | .76 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1282559 | |
| Feb 19, 2024 | Nitrite Plus Nitrate (as N) | .12 | mg/L | Effluent | Qualifying Storm Event | A4500NOF | 1282559 | |
| Feb 19, 2024 | Oil and Grease | ND 1.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1282559 | |
| Feb 19, 2024 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1282559 | |
| Feb 19, 2024 | Total Suspended Solids (TSS) | 12 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1282559 | |
| Feb 19, 2024 | Zinc, Total Recoverable | .059 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1282559 | |
| Dec 21, 2023 | Aluminum, Total Recoverable | .61 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272454 | |
| Dec 21, 2023 | Iron, Total Recoverable | .58 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1272454 | |
| Dec 21, 2023 | Nitrite Plus Nitrate (as N) | .4 | mg/L | Effluent | Qualifying Storm Event | A4500NE | 1272454 | |
| Dec 21, 2023 | Oil and Grease | ND 1.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1272454 | |
| Dec 21, 2023 | pH | 6.22 | SU | Effluent | Qualifying Storm Event | A4500HB | 1272454 | |
| Dec 21, 2023 | Total Suspended Solids (TSS) | 21 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1272454 | |
| Dec 21, 2023 | Zinc, Total Recoverable | .024 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1272454 | |
| Mar 14, 2023 | Aluminum, Total Recoverable | .78 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1234797 | |
| Mar 14, 2023 | Iron, Total Recoverable | 1.1 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1234797 | |
| Mar 14, 2023 | Nitrite Plus Nitrate (as N) | .23 | mg/L | Effluent | Qualifying Storm Event | A4500NE | 1234797 | |
| Mar 14, 2023 | Oil and Grease | ND 3.4 | mg/L | Effluent | Qualifying Storm Event | E1664A | 1234797 | |
| Mar 14, 2023 | pH | 6 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1234797 | |
| Mar 14, 2023 | Total Suspended Solids (TSS) | 31 | mg/L | Effluent | Qualifying Storm Event | A2540D | 1234797 | |
| Mar 14, 2023 | Zinc, Total Recoverable | .049 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1234797 | |
| Mar 10, 2023 | Aluminum, Total Recoverable | 1.6 | mg/L | Effluent | Qualifying Storm Event | E200.8 | 1236059 | |
| Mar 10, 2023 | Iron, Total Recoverable | 1.9 | mg/L | Effluent | Qualifying Storm Event | E200.7 | 1236059 |
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.
| Record type | Records | As published | Dates | Retrieved | List |
|---|---|---|---|---|---|
| Violations | 3 | 3 Violation · 0 Potential (preliminary) · 0 Dismissed | Aug 19, 2015 – Aug 19, 2015 | Oct 21, 2026 | All violations |
| Enforcement actions | 1 | 1 issued · 0 draft · 0 withdrawn, rescinded or superseded | Aug 19, 2015 – Aug 19, 2015 | Oct 21, 2026 | All actions |
| Inspections | 1 | inspections, not findings | Aug 19, 2015 – Aug 19, 2015 | Oct 21, 2026 | All inspections |
| Annual reports | 10 | certified reports (contents not shown) | 2015 – 2025 | Oct 21, 2026 | All reports |
| 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 (15 records, newest first)
| Date | Record | ID | Type or purpose | Status as published | Detail |
|---|---|---|---|---|---|
| Jun 30, 2026 | Annual reports | 1338353 | Annual report 2025 | — | |
| Jul 08, 2025 | Annual reports | 1297339 | Annual report 2024 | — | |
| Jul 10, 2024 | Annual reports | 1246569 | Annual report 2023 | — | |
| Jul 11, 2023 | Annual reports | 1192725 | Annual report 2022 | — | |
| Jun 30, 2022 | Annual reports | 1116451 | Annual report 2021 | — | |
| Jun 16, 2021 | Annual reports | 1064616 | Annual report 2020 | — | |
| Jul 15, 2019 | Annual reports | 957960 | Annual report 2018 | — | |
| Jul 12, 2018 | Annual reports | 943406 | Annual report 2017 | — | |
| Jul 13, 2017 | Annual reports | 882954 | Annual report 2016 | — | |
| Jul 11, 2016 | Annual reports | 840150 | Annual report 2015 | — | |
| Aug 19, 2015 | Enforcement actions | 419799 | NTC (Notice to Comply) | Historical | |
| Aug 19, 2015 | Inspections | 2026525 | B Type compliance | — | Follow-up Inspection Needed |
| Aug 19, 2015 | Violations | 857573 | Incomplete/Insufficient SWPPP | Violation | Inspection |
| Aug 19, 2015 | Violations | 857574 | Deficient BMP Implementation | Violation | Inspection |
| Aug 19, 2015 | Violations | 857575 | Deficient Report | 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.