Opperman Son Inc
Active WDID 1 49I010677 Healdsburg, Sonoma County Region 1 · North Coast
At a glance
- Permit Evidence: SMARTS record
- Active Industrial
- Notice of Intent (WDID code I) · Permits and applications
- Location Evidence: facility-reported
- Healdsburg, Sonoma County
- Region 1 · North Coast · 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
- 157 distinct results, 12 reporting years (2015 to 2026)
- Most recent sample Sep 03, 2026 · Monitoring
- Compliance and enforcement records Evidence: SMARTS record
- 3 inspections · 5 violation records · 6 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
Reported facility location HUC12 watershed Corroborated receiving water 2026 Integrated Report waterbodies nearby
Reported location Evidence: facility-reported
- Coordinates
- 38.606422, -122.87417
- 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
- 280 Kinley Dr, Healdsburg 95448
- Regional Water Board
- 1 — North Coast
HUC12 watershed Evidence: spatial
- West Slough-Dry Creek HUC12 180101100507
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
- Opperman Son Inc
- Primary industry (SIC)
- 4213-Trucking, Except Local
- Application ID
- 178848
- NOI processed
- Oct 15, 1993
- Last certified
- Jun 15, 2015
- Facility size
- 7 Acres
Retrieved from SMARTS Oct 20, 2026. Verify against SMARTS before relying on it.
Permit history
| Application | Type | Status | Processed | Terminated | Certified |
|---|---|---|---|---|---|
| 178848 | Industrial | Active | Oct 15, 1993 | — | Jun 15, 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 / N (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 |
|---|---|---|---|
| Russian River HU, Middle Russian River HA, Warm Springs HSA CAR1142403419990615103858 | 25 m | listed | 5 |
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.
157 distinct measurements across 8 parameters, most recent sample Sep 03, 2026.
By reporting year
| Reporting year (July–June) | Distinct results | Parameters | With several versions | First sample | Last sample |
|---|---|---|---|---|---|
| 2026 | 6 | 6 | 0 | Sep 03, 2026 | Sep 03, 2026 |
| 2025 | 24 | 3 | 0 | Nov 05, 2025 | Feb 24, 2026 |
| 2024 | 24 | 3 | 0 | Nov 20, 2024 | Feb 13, 2025 |
| 2023 | 30 | 3 | 0 | Dec 06, 2023 | Mar 29, 2024 |
| 2022 | 18 | 3 | 0 | Nov 08, 2022 | Jan 13, 2023 |
| 2021 | 9 | 3 | 0 | Dec 01, 2021 | Apr 20, 2022 |
| 2020 | 6 | 3 | 0 | Mar 10, 2021 | Mar 18, 2021 |
| 2019 | 3 | 3 | 0 | Jan 16, 2020 | Jan 16, 2020 |
| 2018 | 6 | 3 | 0 | Jan 09, 2019 | Jan 17, 2019 |
| 2017 | 9 | 3 | 0 | Nov 13, 2017 | Mar 15, 2018 |
| 2016 | 14 | 4 | 0 | Oct 28, 2016 | Feb 03, 2017 |
| 2015 | 8 | 4 | 0 | Dec 10, 2015 | Mar 11, 2016 |
By parameter
| Parameter | Units | Measurements | Below detection | First sample | Last sample | Results |
|---|---|---|---|---|---|---|
| Oil and Grease | mg/L | 50 | 41 | Dec 10, 2015 | Sep 03, 2026 | Results |
| Total Suspended Solids (TSS) | mg/L | 50 | 0 | Dec 10, 2015 | Sep 03, 2026 | Results |
| pH | SU | 49 | 1 | Dec 10, 2015 | Feb 24, 2026 | Results |
| Electrical Conductivity @ 25 Deg. C | umhos/cm | 4 | 2 | Dec 10, 2015 | Dec 15, 2016 | Results |
| Aluminum, Total | mg/L | 1 | 0 | Sep 03, 2026 | Sep 03, 2026 | Results |
| Iron, Total | mg/L | 1 | 0 | Sep 03, 2026 | Sep 03, 2026 | Results |
| Lead, Total | mg/L | 1 | 1 | Sep 03, 2026 | Sep 03, 2026 | Results |
| Zinc, Total | mg/L | 1 | 0 | Sep 03, 2026 | Sep 03, 2026 | Results |
pH results (49 distinct rows, show all)
| Sample date | Parameter | Result | Units | Location type | Event | Method | Report | Versions |
|---|---|---|---|---|---|---|---|---|
| Feb 24, 2026 | pH | 6.96 | SU | Effluent | Qualifying Storm Event | A4500HB | 1368326 | |
| Feb 24, 2026 | pH | 7.04 | SU | Effluent | Qualifying Storm Event | A4500HB | 1368326 | |
| Jan 05, 2026 | pH | 6.83 | SU | Effluent | Qualifying Storm Event | A4500HB | 1365535 | |
| Jan 05, 2026 | pH | 7.35 | SU | Effluent | Qualifying Storm Event | A4500HB | 1365535 | |
| Nov 13, 2025 | pH | 7.21 | SU | Effluent | Qualifying Storm Event | A4500HB | 1358220 | |
| Nov 13, 2025 | pH | 7.29 | SU | Effluent | Qualifying Storm Event | A4500HB | 1358220 | |
| Nov 05, 2025 | pH | 7.18 | SU | Effluent | Qualifying Storm Event | A4500HB | 1356286 | |
| Nov 05, 2025 | pH | 8.46 | SU | Effluent | Qualifying Storm Event | A4500HB | 1356286 | |
| Feb 13, 2025 | pH | 6.74 | SU | Effluent | Qualifying Storm Event | A4500HB | 1324752 | |
| Feb 13, 2025 | pH | 6.62 | SU | Effluent | Qualifying Storm Event | A4500HB | 1324752 | |
| Feb 03, 2025 | pH | 6.93 | SU | Effluent | Qualifying Storm Event | A4500HB | 1320610 | |
| Feb 03, 2025 | pH | 7.05 | SU | Effluent | Qualifying Storm Event | A4500HB | 1320610 | |
| Dec 13, 2024 | pH | 6.84 | SU | Effluent | Qualifying Storm Event | A4500HB | 1317451 | |
| Dec 13, 2024 | pH | 6.76 | SU | Effluent | Qualifying Storm Event | A4500HB | 1317451 | |
| Nov 20, 2024 | pH | 7.19 | SU | Effluent | Qualifying Storm Event | A4500HB | 1315749 | |
| Nov 20, 2024 | pH | 6.89 | SU | Effluent | Qualifying Storm Event | A4500HB | 1315749 | |
| Mar 29, 2024 | pH | 7.07 | SU | Effluent | Qualifying Storm Event | A4500HB | 1283704 | |
| Mar 29, 2024 | pH | 7.08 | SU | Effluent | Qualifying Storm Event | A4500HB | 1283704 | |
| Feb 20, 2024 | pH | 7.33 | SU | Effluent | Qualifying Storm Event | A4500HB | 1280068 | |
| Feb 20, 2024 | pH | 7.37 | SU | Effluent | Qualifying Storm Event | A4500HB | 1280068 | |
| Feb 14, 2024 | pH | 7.05 | SU | Effluent | Qualifying Storm Event | A4500HB | 1280066 | |
| Feb 14, 2024 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 1280066 | |
| Dec 20, 2023 | pH | 6.95 | SU | Effluent | Qualifying Storm Event | A4500HB | 1271183 | |
| Dec 18, 2023 | pH | 7.19 | SU | Effluent | Qualifying Storm Event | A4500HB | 1270149 | |
| Dec 06, 2023 | pH | 6.95 | SU | Effluent | Qualifying Storm Event | A4500HB | 1270148 | |
| Dec 06, 2023 | pH | 7.39 | SU | Effluent | Qualifying Storm Event | A4500HB | 1270148 | |
| Jan 13, 2023 | pH | ND | SU | Effluent | Qualifying Storm Event | A4500HB | 1226233 | |
| Jan 13, 2023 | pH | 4.22 | SU | Effluent | Qualifying Storm Event | A4500HB | 1226233 | |
| Jan 04, 2023 | pH | 7.21 | SU | Effluent | Qualifying Storm Event | A4500HB | 1223565 | |
| Jan 04, 2023 | pH | 7.15 | SU | Effluent | Qualifying Storm Event | A4500HB | 1223565 | |
| Dec 08, 2022 | pH | 6.74 | SU | Effluent | Qualifying Storm Event | A4500HB | 1220687 | |
| Nov 08, 2022 | pH | 6.62 | SU | Effluent | Qualifying Storm Event | A4500HB | 1217078 | |
| Apr 20, 2022 | pH | 6.49 | SU | Effluent | Qualifying Storm Event | A4500HB | 1182795 | |
| Dec 13, 2021 | pH | 7.26 | SU | Effluent | Qualifying Storm Event | A4500HB | 1173726 | |
| Dec 01, 2021 | pH | 7.38 | SU | Effluent | Qualifying Storm Event | A4500HB | 1170388 | |
| Mar 18, 2021 | pH | 4.93 | SU | Effluent | Qualifying Storm Event | A4500HB | 1151445 | |
| Mar 10, 2021 | pH | 7.61 | SU | Effluent | Qualifying Storm Event | A4500HB | 1151445 | |
| Jan 16, 2020 | pH | 1.68 | SU | Effluent | Qualifying Storm Event | A4500HB | 1099250 | |
| Jan 17, 2019 | pH | 1.68 | SU | Effluent | Qualifying Storm Event | A4500HB | 1039611 | |
| Jan 09, 2019 | pH | 6.76 | SU | Effluent | Qualifying Storm Event | A4500HB | 1036699 | |
| Mar 15, 2018 | pH | 7 | SU | Effluent | Qualifying Storm Event | pH_Paper | 1000255 | |
| Jan 08, 2018 | pH | 6.62 | SU | Effluent | Qualifying Storm Event | A4500HB | 991040 | |
| Nov 13, 2017 | pH | 7.29 | SU | Effluent | Qualifying Storm Event | A4500HB | 977266 | |
| Feb 03, 2017 | pH | 6.98 | SU | Effluent | Qualifying Storm Event | A4500HB | 925159 | |
| Jan 10, 2017 | pH | 7.06 | SU | Effluent | Qualifying Storm Event | pH_Paper | 917980 | |
| Dec 15, 2016 | pH | 7.18 | SU | Effluent | Qualifying Storm Event | A4500HB | 909824 | |
| Oct 28, 2016 | pH | 7 | SU | Effluent | Qualifying Storm Event | A4500HB | 909824 | |
| Mar 11, 2016 | pH | 7.21 | SU | Effluent | Qualifying Storm Event | A4500HB | 874800 | |
| Dec 10, 2015 | pH | 7.49 | SU | Effluent | Qualifying Storm Event | A4500HB | 874800 |
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 | 5 | 5 Violation · 0 Potential (preliminary) · 0 Dismissed | Jul 02, 1999 – Mar 28, 2022 | Oct 21, 2026 | All violations |
| Enforcement actions | 6 | 6 issued · 0 draft · 0 withdrawn, rescinded or superseded | Nov 16, 1999 – Apr 15, 2022 | Oct 21, 2026 | All actions |
| Inspections | 3 | inspections, not findings | Jun 22, 2016 – Aug 20, 2026 | Oct 21, 2026 | All inspections |
| Annual reports | 11 | 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 (25 records, newest first)
| Date | Record | ID | Type or purpose | Status as published | Detail |
|---|---|---|---|---|---|
| Aug 20, 2026 | Inspections | 2071802 | B Type compliance | Performed | Additional Info Required |
| Jun 17, 2026 | Annual reports | 1336066 | Annual report 2025 | — | |
| Jun 25, 2025 | Annual reports | 1294910 | Annual report 2024 | — | |
| Jun 24, 2024 | Annual reports | 1244031 | Annual report 2023 | — | |
| Jun 23, 2023 | Annual reports | 1190067 | Annual report 2022 | — | |
| Jun 23, 2022 | Annual reports | 1113503 | Annual report 2021 | — | |
| Apr 15, 2022 | Enforcement actions | 446357 | Verbal Communication | Active | |
| Mar 28, 2022 | Inspections | 2055547 | B Type compliance | Finalized | Additional Info Required |
| Mar 28, 2022 | Violations | 881530 | Incomplete/Insufficient SWPPP | Violation | Inspection |
| Jun 23, 2021 | Annual reports | 1069551 | Annual report 2020 | — | |
| Jun 23, 2020 | Annual reports | 986874 | Annual report 2019 | — | |
| Jun 27, 2019 | Annual reports | 954462 | Annual report 2018 | — | |
| May 24, 2018 | Annual reports | 939880 | Annual report 2017 | — | |
| Aug 01, 2017 | Annual reports | 879174 | Annual report 2016 | — | |
| Jun 22, 2016 | Inspections | 2030276 | B Type compliance | — | No Further Action |
| Jun 21, 2016 | Annual reports | 842673 | Annual report 2015 | — | |
| Aug 01, 2007 | Enforcement actions | 343602 | SEL (Staff Enforcement Letter) | Historical | |
| Jul 01, 2007 | Violations | 729708 | Late Report | Violation | Report |
| Nov 14, 2002 | Enforcement actions | 245596 | NNC (Notice of Non-Compliance) | Active | UNKNOWN |
| Sep 09, 2002 | Enforcement actions | 245479 | NNC (Notice of Non-Compliance) | Active | UNKNOWN |
| Jul 02, 2002 | Violations | 208231 | Deficient Report | Violation | Inspection |
| Jul 02, 2002 | Violations | 209103 | Deficient Report | Violation | Inspection |
| Dec 17, 1999 | Enforcement actions | 224655 | NOV (Notice of Violation) | Historical | UNKNOWN |
| Nov 16, 1999 | Enforcement actions | 224779 | NOV (Notice of Violation) | Historical | UNKNOWN |
| Jul 02, 1999 | Violations | 138698 | 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.