Pemaco Metal Processing Corp

Terminated WDID 4 19NEC003956 Alhambra, Los Angeles County Region 4 · Los Angeles

At a glance

Permit Evidence: SMARTS record
Terminated Industrial
No Exposure Certification (NEC) · Permits and applications
Location Evidence: facility-reported
Alhambra, Los Angeles County
Region 4 · Los Angeles · Location · Statewide map
Receiving water
Los Angeles 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
None
Monitoring results Evidence: facility-reported
28 distinct results, 1 reporting year (2016 to 2016)
Most recent sample Jan 19, 2017 · Monitoring
Compliance and enforcement records Evidence: SMARTS record
2 inspections · 2 violation records · 2 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
34.08634, -118.14694
Precision
5 decimal places
Shared point
2 permits report this exact point
Matches application record
same

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

Facility address
2125 Lemon St, Alhambra 91803
Regional Water Board
4 — Los Angeles

HUC12 watershed Evidence: spatial

  • Chavez Ravine-Los Angeles River HUC12 180701050401

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
No Exposure Certification (NEC)
Status
Terminated
Operator
Pemaco Metal Processing Corp
Primary industry (SIC)
3471-Electroplating, Plating, Polishing, Anodizing, and Coloring
Application ID
188573
NOI processed
Mar 06, 1992
Termination effective
Oct 23, 2019
Last certified
Aug 22, 2018
Facility size
25000 SqFt
Impervious area
99 %

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

Permit history

Storm water applications for this WDID, newest first
ApplicationTypeStatusProcessedTerminatedCertified
188573 IndustrialTerminatedMar 06, 1992 Oct 23, 2019Aug 22, 2018

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

Receiving water

Reported by the facility Evidence: facility-reported
Los Angeles 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)
  • C1 name is only a prefix of official names

7 official waterbodies share 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.

No 2026 Integrated Report waterbody lies within the proximity threshold of the reported 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.

28 distinct measurements across 14 parameters, most recent sample Jan 19, 2017.

By reporting year

Distinct results by reporting year
Reporting year (July–June)Distinct resultsParametersWith several versionsFirst sampleLast sample
20162814 0 Jan 19, 2017Jan 19, 2017

By parameter

Distinct results by parameter
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Aluminum, Totalmg/L2 0Jan 19, 2017Jan 19, 2017 Results
Ammonia, Total (as N)mg/L2 0Jan 19, 2017Jan 19, 2017 Results
Cadmium, Totalmg/L2 0Jan 19, 2017Jan 19, 2017 Results
Chromium (Total)mg/L2 2Jan 19, 2017Jan 19, 2017 Results
Copper, Dissolvedmg/L2 0Jan 19, 2017Jan 19, 2017 Results
Copper, Totalmg/L2 0Jan 19, 2017Jan 19, 2017 Results
Cyanide, Total (as CN)mg/L2 2Jan 19, 2017Jan 19, 2017 Results
Iron, Totalmg/L2 0Jan 19, 2017Jan 19, 2017 Results
Lead, Totalmg/L2 0Jan 19, 2017Jan 19, 2017 Results
Nitrite Plus Nitrate (as N)mg/L2 0Jan 19, 2017Jan 19, 2017 Results
Oil and Greasemg/L2 1Jan 19, 2017Jan 19, 2017 Results
pHSU2 0Jan 19, 2017Jan 19, 2017 Results
Show 2 more parameters
More parameters
ParameterUnitsMeasurementsBelow detectionFirst sampleLast sampleResults
Total Suspended Solids (TSS)mg/L2 0Jan 19, 2017Jan 19, 2017 Results
Zinc, Totalmg/L2 0Jan 19, 2017Jan 19, 2017 Results

All results (28 distinct rows)

Reported monitoring results, newest first
Sample dateParameterResultUnitsLocation typeEventMethodReportVersions
Jan 19, 2017 Aluminum, Total .32 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Aluminum, Total .045 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Ammonia, Total (as N) .26 mg/L Effluent Qualifying Storm Event A4500NH 921151
Jan 19, 2017 Ammonia, Total (as N) .31 mg/L Effluent Qualifying Storm Event A4500NH 921151
Jan 19, 2017 Cadmium, Total .0002 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Cadmium, Total .0001 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Chromium (Total) < .01 mg/L Effluent Qualifying Storm Event E200.7 921151
Jan 19, 2017 Chromium (Total) < .01 mg/L Effluent Qualifying Storm Event E200.7 921151
Jan 19, 2017 Copper, Dissolved .0043 mg/L Effluent Qualifying Storm Event 921151
Jan 19, 2017 Copper, Dissolved .049 mg/L Effluent Qualifying Storm Event 921151
Jan 19, 2017 Copper, Total .0062 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Copper, Total .05 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Cyanide, Total (as CN) < .003 mg/L Effluent Qualifying Storm Event A4500CE 921151
Jan 19, 2017 Cyanide, Total (as CN) < .003 mg/L Effluent Qualifying Storm Event A4500CE 921151
Jan 19, 2017 Iron, Total .35 mg/L Effluent Qualifying Storm Event E200.7 921151
Jan 19, 2017 Iron, Total .02 mg/L Effluent Qualifying Storm Event E200.7 921151
Jan 19, 2017 Lead, Total .0014 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Lead, Total .0019 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Nitrite Plus Nitrate (as N) .12 mg/L Effluent Qualifying Storm Event A4500NE 921151
Jan 19, 2017 Nitrite Plus Nitrate (as N) .15 mg/L Effluent Qualifying Storm Event A4500NE 921151
Jan 19, 2017 Oil and Grease < 1 mg/L Effluent Qualifying Storm Event E1664A 921151
Jan 19, 2017 Oil and Grease 1 mg/L Effluent Qualifying Storm Event E1664A 921151
Jan 19, 2017 pH 7 SU Effluent Qualifying Storm Event A4500HB 921151
Jan 19, 2017 pH 7 SU Effluent Qualifying Storm Event A4500HB 921151
Jan 19, 2017 Total Suspended Solids (TSS) 14 mg/L Effluent Qualifying Storm Event A2540D 921151
Jan 19, 2017 Total Suspended Solids (TSS) 4 mg/L Effluent Qualifying Storm Event A2540D 921151
Jan 19, 2017 Zinc, Total .79 mg/L Effluent Qualifying Storm Event E200.8 921151
Jan 19, 2017 Zinc, Total .096 mg/L Effluent Qualifying Storm Event E200.8 921151

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
Violations2 2 Violation · 0 Potential (preliminary) · 0 Dismissed Feb 20, 2019 – Oct 02, 2019 Oct 21, 2026 All violations
Enforcement actions2 2 issued · 0 draft · 0 withdrawn, rescinded or superseded Oct 06, 2019 – Dec 31, 2019 Oct 21, 2026 All actions
Inspections2inspections, not findings Sep 23, 2008 – Feb 20, 2019 Oct 21, 2026 All inspections
Annual reports2certified reports (contents not shown) 2015 – 2016 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 (8 records, newest first)
Compliance and enforcement records, newest first
DateRecordIDType or purposeStatus as publishedDetail
Dec 31, 2019 Enforcement actions 435940 NNC (Notice of Non-Compliance) Historical
Oct 06, 2019 Enforcement actions 434441 Verbal Communication Active
Oct 02, 2019 Violations 871288 Failure to Obtain Permit ViolationInternal Report
Feb 20, 2019 Inspections 2042026 NEC —Follow-up Inspection Needed
Feb 20, 2019 Violations 869864 Failure to meet NEC criteria ViolationInspection
Jul 12, 2017 Annual reports 881210 Annual report 2016 —
Jun 30, 2016 Annual reports 839716 Annual report 2015 —
Sep 23, 2008 Inspections 1734286 B Type compliance —

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.