| Violation ID |
Occurrence Date |
Violation Type |
Violation Description(-) |
Violation Status |
Priority |
Source |
Facility Name |
Violated Reg. Meas. ID |
Violated Reg. Meas. Order No. |
Linked to Enf. |
| 1153070 |
02/28/2025 |
Order Conditions |
Discharge of waste constituents to the unsaturated zone. - In 2025, volatile organic compounds (VOCs) were detected in the following unsaturated zone gas probes located just outside the limits of the Facility?s WMUs; GP-IA-3(D), GP IIA 1(S), GP IIA 1(M), GP IIA 2(M), GP IIIA 2(M), GP IIIA 2(D), GP IIIA 4(M), GP-IIIA-4(D), GP-IIB-2(M), GP-IIB-2(D), GP-IIIB-1(M), GP-IIIB-1(D), GP-IIIB-2(M), and GP-IIIB-2(D). Additionally, methane was detected in GP-IIA-1(S) and GP-IIA(M) in February 2025 at 29.8% and 19.3% by volume, respectively. Concentrations fell below 5% by August 2025; however, VOCs persisted in the TO-15 samples collected from these gas probes. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
Y |
| 1153069 |
11/19/2025 |
Order Conditions |
Buildup of hydraulic head on the underlying primary liner of WMU Phase III-A. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
Y |
| 1153068 |
11/16/2025 |
Order Conditions |
Failure to immediately notify Central Valley Water Board staff of the unpermitted discharge noted in Violation 1, Discharge of 25,000-gallons of leachate impacted surface water from pooled liquid atop the active waste disposal section of waste management unit (WMU) Phase III-A. Failure to immediately notify Central Valley Water Board staff of the unpermitted discharge noted in Violation 1, Discharge of 25,000-gallons of leachate impacted surface water from pooled liquid atop the active waste disposal section of waste management unit (WMU) Phase III-A. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
Y |
| 1153067 |
11/16/2025 |
Order Conditions |
Discharge of 25,000-gallons of leachate impacted surface water from pooled liquid atop the active waste disposal section of waste management unit (WMU) Phase III-A. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
Y |
| 1126407 |
01/03/2024 |
Order Conditions |
Violation 3 - A buildup of hydraulic head on the underlying Primary liner of the Phase III-A solid WMU. 1. Design And Construction Specifications D.6 of the WDRs states in part: LCRSs shall be designed, constructed, and maintained to collect twice the anticipated daily volume of leachate and gas condensate generated by each Class II surface impoundment and/or landfill WMU and to prevent the buildup of hydraulic head on the underlying liner at any time. 2. Design And Construction Specifications D.8 of the WDRs states: The LCRS for each Class II unit shall be operated and maintained to collect twice the anticipated daily volume of leachate and gas condensate generated by the WMU and to prevent the buildup of hydraulic head on the underlying liner at any time. The depth of fluid in the LCRS sump shall be kept at the minimum needed to ensure efficient pump operation. 3. Section 20340(c) of Title 27 states: Head Buildup -The RWQCB shall specify design and operating conditions in WDRs to ensure that there is no buildup of hydraulic head on the liner. The depth of fluid in the collection sump shall be kept at the minimum needed to ensure efficient pump operation. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
N |
| 1126406 |
01/03/2024 |
Order Conditions |
Violation 1 -Unauthorized discharge of waste/leachate into the newly completed Phase III Class II surface impoundment without final approval of the WMU by Central Valley Water Board staff: 1. Design And Construction Specifications D.12 of the WDRs states: The Discharger shall submit a final report documenting construction of any new lined WMU for review and approval prior to discharging wastes to the WMU. The Discharger must also submit an additional technical report as part of its final construction report demonstrates that certifies that any testing required and any limitations or additional requirements specified in the final closure cover or base and side slope liner?s slope stability analysis report was complied with during construction in order to validate the slope stability analysis report conclusions. 2. Section 20310(e) of Title 27 states: Containment structures shall be designed by, and construction shall be supervised and certified by, a registered civil engineer or a certified engineering geologist. Units shall receive a final inspection and approval of the construction by RWQCB or SWRCB staff before use of the Unit commences. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
N |
| 1126405 |
01/23/2024 |
Order Conditions |
Violation 1 - Unauthorized discharge of contact storm water/leachate to surface waters of the state: 1. Prohibition 2 of the WDRs states; The discharge of wastes outside of a Unit or portions of a Unit specifically designed for their containment is prohibited. 2. Prohibition 10 of the WDRs states; The discharge of solid or liquid waste or leachate to surface waters, surface water drainage courses, or groundwater is prohibited. 3. Discharge Specification B.3 of the WDRs states; During wet weather conditions, the facility shall be operated and graded to minimize leachate generation. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
N |
| 1122917 |
11/20/2023 |
Order Conditions |
Unauthorized discharge of waste/leachate into the under-construction Phase III A solid WMU without 1) The submittal of a Final Construction Quality Assurance (CQA) Completion Report, 2) The completion of a final Central Valley Water Board inspection, or 3) Final approval by Central Valley Water Board staff of the Phase III A solid WMU prior to discharge. |
Violation |
None |
Report |
Rock Creek Solid Waste Facility |
417039 |
R5-2017-0108 |
Y |
|
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