Industrial stormwater facility
WDID 1 12I012825 · Notice of Intent · Mc Kinleyville, Humboldt
SIC 4212 · Local Trucking Without Storage · Regional Board 1 - North Coast Region
Hydrologic
Official facility coordinate plotted against the associated Final 2026 Integrated Report impaired-water geometry.
Geometry shown is limited to waterbodies geographically associated with this facility. Geographic association does not establish a discharge connection, receiving-water connectivity, or causation.
Intelligence summary
What is available for this facility across the connected datasets.
Official
303(d) context
Grouped by derived geographic association class.
River & Stream · Integrated Report category 5 · TMDL required
Listed pollutants / stressors (1) Indicator Bacteria
Coastal & Bay Shoreline · Integrated Report category 5 · TMDL required
Listed pollutants / stressors (1) Indicator Bacteria
Coastal & Bay Shoreline · Integrated Report category 5 · TMDL required
Listed pollutants / stressors (1) Indicator Bacteria
Wetland, Freshwater · Integrated Report category 5 · TMDL required
Listed pollutants / stressors (1) Mercury
River & Stream · Integrated Report category 5 · TMDL required
Listed pollutants / stressors (2) pH, Turbidity
Coastal & Bay Shoreline · Integrated Report category 5 · TMDL required
Listed pollutants / stressors (1) Indicator Bacteria
Associations are calculated from official facility coordinates, USGS HUC12 boundaries, and official 2026 impaired-water geometry. They do not establish a discharge connection or causation.
Water Board-stated TMDL waste load allocations applied to this industrial permit in SMARTS.
No SMARTS TMDL requirement is recorded for this WDID. In the statewide TMDL export only permits in Regions 4, 8 and 9 currently carry industrial TMDL requirements, so an absence here is not a statement that the facility discharges to an unimpaired water.
Official monitoring
Self-reported industrial stormwater sampling results as submitted by the discharger to SMARTS.
Loading reported results…
| Sample date | Location | Parameter | Result | Units | Event |
|---|---|---|---|---|---|
| 2026-02-08 | DA-B | Iron | .39 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-B | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-B | pH | 7.7 | SU | Qualifying Storm Event |
| 2026-02-08 | DA-B | Total Suspended Solids (TSS) | 8 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-B | Zinc | .044 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-F | Iron | 1.4 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-F | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-F | pH | 7.8 | SU | Qualifying Storm Event |
| 2026-02-08 | DA-F | Total Suspended Solids (TSS) | 9 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-F | Zinc | .023 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-I | Iron | .75 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-I | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-I | pH | 7.6 | SU | Qualifying Storm Event |
| 2026-02-08 | DA-I | Total Suspended Solids (TSS) | 16 | mg/L | Qualifying Storm Event |
| 2026-02-08 | DA-I | Zinc | .016 | mg/L | Qualifying Storm Event |
| 2025-12-16 | DA-I | Iron | 1 | mg/L | Qualifying Storm Event |
| 2025-12-16 | DA-I | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2025-12-16 | DA-I | pH | 7.9 | SU | Qualifying Storm Event |
| 2025-12-16 | DA-I | Total Suspended Solids (TSS) | 21 | mg/L | Qualifying Storm Event |
| 2025-12-16 | DA-I | Zinc | .021 | mg/L | Qualifying Storm Event |
| 2025-12-15 | DA-B | Iron | 1.2 | mg/L | Qualifying Storm Event |
| 2025-12-15 | DA-B | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2025-12-15 | DA-B | pH | 7.8 | SU | Qualifying Storm Event |
| 2025-12-15 | DA-B | Total Suspended Solids (TSS) | 38 | mg/L | Qualifying Storm Event |
| 2025-12-15 | DA-B | Zinc | .14 | mg/L | Qualifying Storm Event |
Monitoring rows are official self-reported SMARTS submissions, joined to this facility by WDID. California Stormwater Intelligence does not restate, correct, average or evaluate reported values, and no benchmark comparison or violation determination is made.
YDOS-derived
Reported SMARTS analytical results compared against the Numeric Action Levels of the Industrial General Permit version in effect for each reporting year (July 1 – June 30).
| Parameter | NAL type | Calculated value | NAL | Result | Samples used | Method |
|---|---|---|---|---|---|---|
Iron, Total iron_total | Annual | 0.912 mg/L | 1 mg/L | At or below NALAnnual average of 6 eligible result(s) compared with the annual NAL.0.91× threshold | 6 eligible | arithmetic mean of all eligible effluent results in the July 1 - June 30 reporting year (censored results assigned zero only where MDL and ML were both reported) |
Oil and Grease oil_grease | Instantaneous maximum | —0 samples above | 25 mg/L | At or below NALNo eligible result in this reporting year was outside the instantaneous maximum NAL. | 6 eligible6 non-detect as zero | count of eligible effluent results outside the instantaneous maximum NAL within the July 1 - June 30 reporting year |
pH ph | Instantaneous maximum | —0 samples above | 6 – 9 pH units | Within NAL rangeNo eligible result in this reporting year was outside the instantaneous maximum NAL. | 6 eligible | count of eligible effluent results outside the instantaneous maximum NAL within the July 1 - June 30 reporting year |
Total Suspended Solids (TSS) tss | Instantaneous maximum | —0 samples above | 400 mg/L | At or below NALNo eligible result in this reporting year was outside the instantaneous maximum NAL. | 6 eligible | count of eligible effluent results outside the instantaneous maximum NAL within the July 1 - June 30 reporting year |
Zinc, Total zinc_total | Annual | 0.043 mg/L | 0.26 mg/L | At or below NALAnnual average of 6 eligible result(s) compared with the annual NAL.0.17× threshold | 6 eligible | arithmetic mean of all eligible effluent results in the July 1 - June 30 reporting year (censored results assigned zero only where MDL and ML were both reported) |
An NAL exceedance is a permit-defined condition that triggers Exceedance Response Actions under the Industrial General Permit. It is not a violation, an enforcement action, or a Water Board compliance determination. Annual values use the arithmetic average of eligible results with non-detects treated as zero; instantaneous maximum NALs (total suspended solids, oil and grease, pH) are exceeded when two or more eligible results in a reporting year fall outside the level. Rules transcribed from 2014-0057-DWQ as amended by 2015-0122-DWQ ↗ (effective 2015-07-01, superseded 2020-06-30); 2014-0057-DWQ as amended by 2018-0028-DWQ ↗ (effective 2020-07-01).
Documents
Attachment inventory recorded in the State Water Board SMARTS public attachment workflow for this permit.
Metadata indicators
DerivedDocument indicators are YDOS-derived counts and dates calculated from SMARTS attachment metadata. They describe what is on file, not whether a facility complied with any requirement.
95 substantive of 140 indexed attachments
SWPPP amendment 6
Source file type SWPPP · 2022-08-24 · 12.6 MB
Site Maps
Source file type Facility/Site Map · 2022-08-23 · 5.4 MB
20210722-SWPPP-Amend5
Source file type SWPPP · part 1/1 · 2021-07-26 · 13.1 MB
20210722-SWPPP-Amend5-App1-Figures
Source file type Facility/Site Map · part 1/1 · 2021-07-22 · 5.3 MB
20210722-SWPPP-Amend5
Source file type SWPPP · part 1/1 · 2021-07-22 · 13.1 MB
SWPPP Amendment 4
Source file type SWPPP · 2019-06-25 · 10.8 MB
Figure 2
Source file type Facility/Site Map · 2019-06-21 · 3.9 MB
Site Map
Source file type Facility/Site Map · part 1/1 · 2017-11-15 · 2.6 MB
SWPPP Amendment 3
Source file type SWPPP · part 1/1 · 2017-11-15 · 11.1 MB
SWPPP Amendment 2
Source file type SWPPP · part 1/1 · 2016-12-21 · 10.4 MB
SWPPP
Source file type SWPPP · part 1/1 · 2016-11-21 · 10.1 MB
Humboldt Sanitation Facility Map
Source file type Facility/Site Map · part 1/1 · 2015-06-30 · 249 KB
Submitted report pdf
Source file type Submitted Report PDF · 2026-06-25 · 819 KB
Submitted report pdf
Source file type Submitted Report PDF · 2026-02-25 · 406 KB
Submitted report pdf
Source file type Submitted Report PDF · 2025-12-29 · 407 KB
Submitted report pdf
Source file type Submitted Report PDF · 2025-06-24 · 999 KB
Submitted report pdf
Source file type Submitted Report PDF · 2025-06-24 · 406 KB
Submitted report pdf
Source file type Submitted Report PDF · 2025-03-27 · 406 KB
Submitted report pdf
Source file type Submitted Report PDF · 2025-01-13 · 406 KB
Submitted report pdf
Source file type Submitted Report PDF · 2024-07-02 · 999 KB
Submitted report pdf
Source file type Submitted Report PDF · 2024-02-19 · 406 KB
Submitted report pdf
Source file type Submitted Report PDF · 2023-11-14 · 406 KB
Submitted report pdf
Source file type Submitted Report PDF · 2023-07-31 · 1003 KB
Submitted report pdf
Source file type Submitted Report PDF · 2023-07-05 · 1004 KB
Submitted report pdf
Source file type Submitted Report PDF · 2022-12-22 · 407 KB
Submitted report pdf
Source file type Submitted Report PDF · 2022-06-28 · 1004 KB
Submitted report pdf
Source file type Submitted Report PDF · 2022-05-13 · 408 KB
Submitted report pdf
Source file type Submitted Report PDF · 2022-01-11 · 407 KB
Submitted report pdf
Source file type Submitted Report PDF · 2021-07-06 · 1004 KB
Submitted report pdf
Source file type Submitted Report PDF · 2021-03-30 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2021-01-08 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2020-06-29 · 1000 KB
Submitted report pdf
Source file type Submitted Report PDF · 2020-04-27 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2020-04-06 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2020-01-13 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2019-12-23 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2019-04-08 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2019-03-15 · 106 KB
Submitted report pdf
Source file type Submitted Report PDF · 2018-07-11 · 911 KB
Submitted report pdf
Source file type Submitted Report PDF · 2018-04-03 · 410 KB
Submitted report pdf
Source file type Submitted Report PDF · 2018-01-09 · 410 KB
Submitted report pdf
Source file type Submitted Report PDF · 2017-06-20 · 911 KB
Submitted report pdf
Source file type Submitted Report PDF · 2017-01-19 · 409 KB
Submitted report pdf
Source file type Submitted Report PDF · 2016-11-21 · 408 KB
Submitted report pdf
Source file type Submitted Report PDF · 2016-06-23 · 850 KB
Submitted report pdf
Source file type Submitted Report PDF · 2015-07-20 · 245 KB
Level 2 Tech Report - Al & Fe
Source file type Level 2 Technical Report · part 1/1 · 2018-12-27 · 4.0 MB
ERA Level 2 Action Plan–Aluminum & Iron
Source file type Level 2 ERA Action Plan · part 1/1 · 2017-12-29 · 333 KB
ERA Level 1 Report
Source file type Level 1 Technical Report · part 1/1 · 2016-12-29 · 3.6 MB
Laboratory report
Source file type Laboratory Results · 2026-02-25 · 685 KB
Laboratory report
Source file type Laboratory Results · 2025-12-29 · 282 KB
Laboratory report
Source file type Laboratory Results · 2025-12-29 · 581 KB
Lab Results
Source file type Laboratory Results · 2025-06-23 · 1.1 MB
lab report
Source file type Laboratory Results · 2025-03-26 · 1023 KB
20241211 Lab Results
Source file type Laboratory Results · 2025-01-12 · 409 KB
2401491-January2024
Source file type Laboratory Results · part /1 · 2024-02-19 · 579 KB
October 2023 Results
Source file type Laboratory Results · part 1/1 · 2023-11-13 · 285 KB
Nov 11, 2022 lab rpt
Source file type Laboratory Results · 2022-12-21 · 350 KB
20220319(NCL2203337)SW.pdf
Source file type Laboratory Results · part 1/1 · 2022-05-13 · 284 KB
Dec 11, 2021 lab rpt
Source file type Laboratory Results · 2022-01-04 · 355 KB
Feb 11, 2021 lab rpt
Source file type Laboratory Results · 2021-03-29 · 290 KB
Dec 13, 2020 lab report
Source file type Laboratory Results · 2021-01-06 · 431 KB
NCL2004062
Source file type Laboratory Results · part 1/1 · 2020-04-21 · 357 KB
NCL2003282
Source file type Laboratory Results · part 1/1 · 2020-04-03 · 275 KB
Dec 13, 2019 lab rpt
Source file type Laboratory Results · 2020-01-10 · 262 KB
NCL1912027
Source file type Laboratory Results · part 1/1 · 2019-12-13 · 279 KB
Mar 12, 2019 lab rpt
Source file type Laboratory Results · part 1/1 · 2019-04-05 · 354 KB
Feb 10, 2019
Source file type Laboratory Results · part 1/1 · 2019-03-05 · 334 KB
Nov 27, 2018 lab rpt
Source file type Laboratory Results · part 1/1 · 2018-12-28 · 513 KB
Mar 13, 2018 lab rpt
Source file type Laboratory Results · part 1/1 · 2018-03-29 · 330 KB
DA-A Lab report with MEMO
Source file type Laboratory Results · part 1/1 · 2018-02-13 · 393 KB
Jan 24, 2018 lab report
Source file type Laboratory Results · part 1/1 · 2018-02-08 · 323 KB
Dec 20, 2017 lab rpt
Source file type Laboratory Results · part 1/1 · 2018-01-04 · 287 KB
Mar 7, 2017 lab rpt
Source file type Laboratory Results · part 1/1 · 2017-04-07 · 300 KB
Dec 14, 2016 lab rpt
Source file type Laboratory Results · part 1/1 · 2017-01-11 · 301 KB
2015 nov
Source file type Laboratory Results · part 1/1 · 2016-10-10 · 216 KB
Feb 2016 Results
Source file type Laboratory Results · part 1/1 · 2016-04-18 · 276 KB
Sept 2015 Results
Source file type Laboratory Results · part 1/1 · 2016-04-18 · 294 KB
March 14th lab Results
Source file type Laboratory Results · part 1/1 · 2015-07-20 · 166 KB
Oct 11th Lab Results
Source file type Laboratory Results · part 1/1 · 2015-07-20 · 214 KB
Exceedance Letter
Source file type Cover/Explanation Letter · 2019-12-12 · 737 KB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2017-01-11 · 1.7 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2017-01-11 · 2.7 MB
Source file type Supporting Documentation · part 1/1 · 2016-10-17 · 263 KB
Source file type Supporting Documentation · part 1/1 · 2016-10-17 · 263 KB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2016-02-10 · 2.7 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2016-02-10 · 1.8 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2016-02-10 · 1.9 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2016-02-10 · 1.5 MB
Storm Water Inspection & Observation Forms
Source file type Other · part 1/1 · 2015-07-20 · 343 KB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2014-03-04 · 2.0 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2014-03-04 · 1.6 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2014-03-04 · 1.5 MB
Humboldt Sanitation Mckinleyville
Source file type Photograph · part 1/1 · 2014-03-04 · 1.5 MB
178306.pdf
Source file type Binary Large Object · part 1/1 · 2006-06-03 · 74 KB
Enforcement
Enforcement actions as recorded by the State Water Board for this permit, in the source system's own terminology.
Structured enforcement records are not yet connected for this site. The absence of a record is not a finding about this facility.
Reporting
Annual report and Exceedance Response Action information as stated by the source system, distinguished from what is inferred from document metadata.
Annual report documents on file
DerivedYears are YDOS-derived from attachment metadata. A gap means no annual-report document was identified for that year in the attachment index — it is not a finding that a report was not filed.
Recent activity
New or changed source records this platform detected for this permit, newest first.
No source change has been detected for this permit yet. Change detection begins from the date each dataset was first indexed.
Provenance