Industrial stormwater facility
WDID 1 12I020030 · Notice of Intent · Arcata, Humboldt
SIC 1422 · Crushed and Broken Limestone · 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 (6) Aluminum, Sediment, Sedimentation/Siltation, Specific Conductivity, Temperature, water, Turbidity
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 |
|---|---|---|---|---|---|
| 2016-03-21 | D1 | Nitrate/Nitrite (Nitrite + Nitrate as N) | .036 | mg/L | Qualifying Storm Event |
| 2016-03-21 | D1 | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2016-03-21 | D1 | pH | 7.76 | SU | Qualifying Storm Event |
| 2016-03-21 | D1 | Total Suspended Solids (TSS) | 890 | mg/L | Qualifying Storm Event |
| 2016-03-21 | D2 | Nitrate/Nitrite (Nitrite + Nitrate as N) | .073 | mg/L | Qualifying Storm Event |
| 2016-03-21 | D2 | Oil and Grease | 2.1 | mg/L | Qualifying Storm Event |
| 2016-03-21 | D2 | pH | 8.77 | SU | Qualifying Storm Event |
| 2016-03-21 | D2 | Total Suspended Solids (TSS) | 76 | mg/L | Qualifying Storm Event |
| 2016-01-14 | D1 | Nitrate/Nitrite (Nitrite + Nitrate as N) | .028 | mg/L | Qualifying Storm Event |
| 2016-01-14 | D1 | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2016-01-14 | D1 | pH | 8.35 | SU | Qualifying Storm Event |
| 2016-01-14 | D1 | Total Suspended Solids (TSS) | 920 | mg/L | Qualifying Storm Event |
| 2016-01-14 | D2 | Nitrate/Nitrite (Nitrite + Nitrate as N) | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2016-01-14 | D2 | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2016-01-14 | D2 | pH | 8.2 | SU | Qualifying Storm Event |
| 2016-01-14 | D2 | Total Suspended Solids (TSS) | 510 | mg/L | Qualifying Storm Event |
| 2015-12-18 | D1 | Nitrate/Nitrite (Nitrite + Nitrate as N) | .068 | mg/L | Qualifying Storm Event |
| 2015-12-18 | D1 | Oil and Grease | ND —(non-detect / est.) | mg/L | Qualifying Storm Event |
| 2015-12-18 | D1 | pH | 7.67 | SU | Qualifying Storm Event |
| 2015-12-18 | D1 | Total Suspended Solids (TSS) | 590 | mg/L | Qualifying Storm Event |
| 2015-12-10 | D1 | Nitrate/Nitrite (Nitrite + Nitrate as N) | .13 | mg/L | Qualifying Storm Event |
| 2015-12-10 | D1 | Oil and Grease | 2.2 | mg/L | Qualifying Storm Event |
| 2015-12-10 | D1 | pH | 8.21 | SU | Qualifying Storm Event |
| 2015-12-10 | D1 | Total Suspended Solids (TSS) | 480 | mg/L | Qualifying Storm Event |
| 2015-12-10 | D2 | Nitrate/Nitrite (Nitrite + Nitrate as N) | .025 | 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 |
|---|---|---|---|---|---|---|
Nitrite Plus Nitrate (as N) nitrate_nitrite_n | Annual | 0.06 mg/L as N | 0.68 mg/L as N | At or below NALAnnual average of 6 eligible result(s) compared with the annual NAL.0.09× threshold | 6 eligible1 excluded | 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. | 2 eligible5 excluded | 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. | 7 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 | —6 samples above | 400 mg/L | Above NAL6 eligible results in this reporting year were outside the instantaneous maximum NAL. Two or more such results in one reporting year is the condition stated in the Order. | 7 eligible | count of eligible effluent results outside the instantaneous maximum NAL within the July 1 - June 30 reporting year |
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.
39 substantive of 53 indexed attachments
Page 40, Table 5.6
Source file type SWPPP · part 1/1 · 2016-12-30 · 328 KB
Page 37, Table 5.4
Source file type SWPPP · part 1/1 · 2016-12-30 · 397 KB
Amendment Log
Source file type SWPPP · part 1/1 · 2016-12-30 · 288 KB
Amendment Log
Source file type SWPPP · part 1/1 · 2016-02-04 · 676 KB
HATCHERY SITE MAP
Source file type Facility/Site Map · part 1/1 · 2015-07-27 · 260 KB
HATCHERY SWPPP
Source file type SWPPP · part 1/1 · 2015-07-27 · 6.3 MB
Submitted report pdf
Source file type Submitted Report PDF · 2026-07-13 · 819 KB
Submitted report pdf
Source file type Submitted Report PDF · 2025-07-11 · 999 KB
Submitted report pdf
Source file type Submitted Report PDF · 2024-07-10 · 999 KB
Submitted report pdf
Source file type Submitted Report PDF · 2023-07-31 · 1000 KB
Submitted report pdf
Source file type Submitted Report PDF · 2023-07-07 · 1000 KB
Submitted report pdf
Source file type Submitted Report PDF · 2022-07-13 · 1000 KB
Submitted report pdf
Source file type Submitted Report PDF · 2021-07-12 · 1000 KB
Submitted report pdf
Source file type Submitted Report PDF · 2020-07-15 · 1000 KB
Submitted report pdf
Source file type Submitted Report PDF · 2018-07-18 · 911 KB
Submitted report pdf
Source file type Submitted Report PDF · 2017-07-13 · 11 KB
Submitted report pdf
Source file type Submitted Report PDF · 2017-01-11 · 405 KB
Submitted report pdf
Source file type Submitted Report PDF · 2016-07-14 · 911 KB
Submitted report pdf
Source file type Submitted Report PDF · 2016-07-14 · 408 KB
Level 1 2017
Source file type Level 1 Technical Report · part 1/1 · 2017-12-27 · 1.4 MB
ERA Report
Source file type Level 1 Technical Report · part 1/1 · 2017-01-11 · 1.4 MB
ERA Level 1 Report
Source file type Level 1 Technical Report · part 1/1 · 2016-12-30 · 1.4 MB
NCL Analytical Report
Source file type Laboratory Results · part 1/1 · 2017-02-10 · 1.8 MB
NCL Analytical Report
Source file type Laboratory Results · part 1/1 · 2017-02-10 · 1.6 MB
North Coast Laboratories
Source file type Laboratory Results · part 1/1 · 2016-06-27 · 300 KB
North Coast Laboratories
Source file type Laboratory Results · part 1/1 · 2016-02-16 · 2.0 MB
North Coast Laboratories
Source file type Laboratory Results · part 1/1 · 2016-02-04 · 2.2 MB
North Coast Laboratories
Source file type Laboratory Results · part 1/1 · 2016-02-04 · 2.1 MB
NC Lab Sample 120122 per Investigate Order
Source file type Memo · 2023-03-06 · 14.7 MB
Kernen Hatchery Road
Source file type Photograph · part 1/1 · 2016-11-10 · 2.7 MB
Kernen Hatchery Road
Source file type Photograph · part 1/1 · 2016-11-10 · 3.0 MB
Kernen Hatchery Road
Source file type Photograph · part 1/1 · 2016-11-10 · 2.7 MB
Kernen Hatchery Road
Source file type Photograph · part 1/1 · 2016-08-09 · 3.3 MB
Kernen Hatchery Site
Source file type Photograph · part 1/1 · 2015-12-07 · 2.7 MB
Kernen Hatchery Site
Source file type Photograph · part 1/1 · 2015-12-07 · 1.7 MB
Kernen Hatchery Site
Source file type Photograph · part 1/1 · 2015-12-07 · 2.8 MB
Kernen Hatchery Site
Source file type Photograph · part 1/1 · 2015-12-07 · 1.9 MB
141001_PRK_ef_IGPThankYou1Sample_HatcheryRoadSiteGuynupEnterprises.pdf
Source file type Cover/Explanation Letter · part 1/1 · 2014-10-28 · 442 KB
Kernan Hatchery Road Site
Source file type Supporting Documentation · part 1/1 · 2014-07-09 · 2.4 MB
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