Site visit photos
Site visit photos from March 2022 showing conditions at Arbor Hills Landfill. Visual documentation of the facility at a point in time.
Key data point: No specific factual readings or measurements are present in photo documentation.
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Site visit photos from March 2022 showing conditions at Arbor Hills Landfill. Visual documentation of the facility at a point in time.
Key data point: No specific factual readings or measurements are present in photo documentation.
Photographic documentation from a site visit to Arbor Hills Landfill on March 18, 2022. The document consists of images only, with no accompanying narrative text or quantitative data.
Key data point: No specific factual readings or claims stated—document is photographic only.
Site visit photos from March 18, 2022 documenting conditions at Arbor Hills Landfill. No text content provided in the document bundle.
Key data point: No specific factual readings or claims extractable from image-only submission.
Photographic documentation from a March 2022 site visit to Arbor Hills Landfill showing physical conditions at that time. No specific measurements, violations, or findings are stated in the photo record itself.
Key data point: No specific factual reading or data point stated; photographs alone without accompanying analysis or measurement data.
Site visit photos filed on March 18, 2022 documenting visual conditions at Arbor Hills Landfill. No specific text content, measurements, or regulatory findings are provided in this submission.
Key data point: No specific factual reading or quantitative claim is present in a photo document.
A set of photographic documentation from a site visit to Arbor Hills Landfill on March 18, 2022. The document provides visual evidence but contains no narrative text, measurements, or specific factual claims beyond the date and location of the visit itself.
Key data point: No specific factual reading or measurement provided in photographic documentation alone.
This document is a collection of site visit photographs from March 18, 2022, documenting the physical conditions at Arbor Hills Landfill. Without access to the actual image content, the substantive findings cannot be determined from the filename alone.
Key data point: No specific factual readings or claims can be extracted from a photo collection filename; substantive assessment requires viewing the images themselves.
Site visit photos from March 18, 2022 showing conditions at Arbor Hills Landfill.
Key data point: No specific factual readings or measurements are present in a photo set alone.
This is a Discharge Monitoring Report (DMR) filed by Advanced Disposal Services for the Arbor Hills Remediation Area covering February 2022. The report documents daily and weekly measurements of final effluent parameters including flow, suspended solids, biochemical oxygen demand, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen. Many readings during the period show data marked as exempt (*E) or facility not discharging (*F), with valid measurements recorded only on select days in early February.
Key data point: Temperature maximum of 41.6°F recorded on 2/2/2022; all reported effluent temperatures in February 2022 ranged from 35.4°F to 41.6°F, well below any thermal concern thresholds.
This procedural document approves Arbor Hills' request to discharge Vitastim Nitrifiers (a bacterial augmentation product by Aquafix Inc.) from Outfall 001 under NPDES Permit MI0045713. The product is approved for use 7 days per week from December 1 to March 30 at a discharge concentration of 0.0 mg/L, which complies with Water Quality-Based Effluent Limits.
Key data point: Vitastim Nitrifiers approved for discharge at 0.0 mg/L concentration through Outfall 001, NPDES MI0045713, effective March 14, 2022.
GFL Environmental's consultant (Golder Associates) notified EGLE that an updated site plan for the proposed Renewable Natural Gas facility at Arbor Hills Landfill will require revision due to unexpected changes in the limits of disturbance imposed by DTE, resulting in approximately 0.1 additional acres of wetland swale impacts. The consultant placed the Joint Permit Application (JPA) on hold pending receipt of the new limits from GFL and committed to resubmitting revisions by early the following week to consolidate all edits and avoid prolonging the permitting process.
Key data point: Approximately 0.1 acres of additional wetland swale impacts identified during site visit; DTE imposed unexpected changes to limits of disturbance.
This is the 2020-0593-CE Consent Judgment between EGLE and Arbor Hills Landfill, filed March 7, 2022, settling allegations of violations of air, water, and solid waste rules from January 2018 through November 2019, including odor nuisance, gas collection system deficiencies, leachate management failures, and elevated landfill gas temperatures. The judgment imposes operational and monitoring requirements on the landfill including temperature controls on gas collection wells (capped at 55°C), leachate management, and perimeter air quality monitoring, with no admission of liability by the defendant.
Key data point: Wells at the Landfill had landfill gas temperatures that exceeded 55°C (131°F), triggering violations of federal NESHAP standards, federal NSPS, Rule 902, and Renewable Operating Permit MI-ROP-N2688-2011a.
EGLE staff coordinated installation of a new perimeter methane and hydrogen sulfide monitoring system at Arbor Hills Landfill with six monitors strategically positioned upwind of odor-complaint areas and downwind of Cell 6 (the northeast cell nearest residential neighborhoods). Four of the six monitors were installed and undergoing startup testing as of March 2022, with EGLE requiring full operation before imminent Cell 6 construction to detect potential landfill gas releases during waste relocation from the unlined Arbor Hills East area.
Key data point: Four perimeter air monitors (MS-2, MS-3, MS-4, MS-5) installed and in startup/shakedown phase as of March 3, 2022; system designed to detect H2S (range 7 ppb to 3 ppm) and CH4 (range 0.4 to 100 ppm) upwind of odor-complaint zones and downwind of Cell 6 prior to construction.
GFL Environmental submitted a Joint Permit Application (JPA) on March 3, 2022, to construct a Renewable Natural Gas (RNG) facility at Arbor Hills Landfill in Washtenaw County. The project will impact 0.41 acres of emergent wetland (0.38 acres) and wetland swale (0.03 acres) within a 3.49-acre limit of disturbance. GFL proposes to mitigate wetland impacts by purchasing 0.62 PEM credits at a 1.5:1 ratio from a nearby wetland mitigation bank.
Key data point: 0.41 acres of permanent wetland impact (0.38 acres emergent wetland + 0.03 acres emergent wetland swale); mitigation via purchase of 0.62 wetland mitigation bank credits at 1.5:1 ratio.
This document presents site plans and environmental maps for a proposed Renewable Natural Gas (RNG) facility at the Arbor Hills West Expanded Sanitary Landfill near Northville, Michigan. The plans include topographic, aerial, soil, wetland, floodplain, and elevation data, as well as alternative facility locations. The proposed RNG facility would occupy 3.49 acres and impact approximately 0.41 acres of wetlands.
Key data point: Proposed RNG facility limits of disturbance: 3.49 acres; total wetland impact area (including swale): 0.41 acres.
Midwestern Consulting letterhead document dated March 3, 2022, providing professional services in land development, surveying, municipal work, and landfill services. No specific regulatory, compliance, or site-specific content is visible in the provided text.
Key data point: No specific factual reading or regulatory claim is stated in this document.
A procedural submission filed with the State of Michigan on 2022-02-22 containing a Schedule of Compliance submittal and an attached Stormwater Control Structure (STSWCS) Report for Arbor Hills Remediation Area. The document itself provides no substantive environmental data; the actual technical content is in the referenced ERG report attachment.
Key data point: No specific factual readings or measurements are stated in this document; it is a procedural transmittal form.
A February 2022 stormwater characterization study documenting PFAS contamination at Arbor Hills Landfill stemming from firefighting foam (AFFF) used to suppress a 2016 fire at an on-site recycling facility. The study found PFOS above regulatory thresholds in stormwater ponds and recommends removal of impacted water and soil from Pond 2 and modification of Wetland #1 to prevent ongoing discharge to Johnson Drain.
Key data point: PFOS detected at 27,500 ng/L in Pond 2 (2016) and above Michigan Rule 57 HNV limit of 12 ng/L in multiple 2021–2022 samples; source: AFFF firefighting use November 2016 at Great Lakes Recycling Facility on AHL property.
This is a January 2022 Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area (Permit MI0045713 v5.0), filed by Green for Life. The report documents daily and monthly monitoring of treated effluent parameters including flow, suspended solids, metals (mercury, arsenic, selenium), nutrients, temperature, pH, and dissolved oxygen. All reported values appear to be within or below permit limits.
Key data point: Temperature maximum daily reading 43.2°F, January 2022, Final Effluent; all other monitored parameters (TSS, CBOD5, ammonia, phosphorus, metals, pH, dissolved oxygen) reported within permit compliance ranges.
GFL completed maintenance and upgrades to Arbor Hills Landfill's flare systems in fall 2021 and early 2022, including pilot assembly repairs, new propane lines, flow meter calibration, and re-lining of enclosed flares in preparation for an RNG project. EGLE air quality staff reviewed the work as a follow-up to a September 2021 facility compliance evaluation and found the facility in compliance.
Key data point: No specific quantitative air quality measurements or violations reported; document summarizes completed flare maintenance and repairs.
This document is a site plan and utility infrastructure diagram for Arbor Hills Landfill prepared by Weaver Consultants Group, dated February 15, 2022. It shows proposed modifications to stormwater management, including installation of a forebay to pump incoming stormwater and abandonment of certain pipe discharges. The plan depicts existing detention basins, pumping system locations, and material handling areas on the landfill property.
Key data point: No specific factual measurements, violation data, or regulatory findings are stated in this document. It is a technical site plan with no quantitative environmental readings.
GFL Environmental submitted an Updated Remediation Plan for Arbor Hills Landfill to EGLE on February 15, 2022, following a December 2021 response. The plan includes site diagrams showing storm water management infrastructure modifications, including installation of a forebay to pump out incoming storm water and permanent abandonment of certain pipe discharges.
Key data point: No specific factual measurements or violation details provided in the document text; this is a transmittal of a remediation plan to regulators.
This Second Interim Short-Term Stormwater Characterization Study (STSWCS) Report submitted by Arbor Hills Landfill on January 21, 2022 presents PFAS (perfluoroalkyl and polyfluoroalkyl substances) sampling results from stormwater across multiple on-site and off-site locations. The study characterizes potential PFAS sources, including consumer waste and AFFF (aqueous film-forming foam) discharged to two ponds and a wetland area following a 2016 fire-suppression incident at a recycling facility on the property.
Key data point: PFAS-containing AFFF wastewater confirmed discharged to Pond 1, Pond 2, and Wetland #1 by local fire department in November 2016; discharge line of Pond 2 has been capped; monitoring continuing monthly with low PFOS concentrations detected.
GFL submitted a Schedule of Compliance report for the Arbor Hills Remediation Area on January 21, 2022, including a Second Interim Subsurface Thermal and Structural/Cover System (STSWCS) report as an attachment. The submission was received and digitally signed by the Michigan Department of Environment, Great Lakes, and Energy (EGLE).
Key data point: No specific factual readings or measurements are provided in this cover page; the substantive data would be in the attached 'Second Interim STSWCS Report' PDF, which is not included in this text.
GFL submitted a remediation schedule for Arbor Hills Landfill (Permit MIS210766) on January 21, 2022, in response to an apparent enforcement or compliance requirement. The submission includes an attached remediation plan dated December 22, 2021. No substantive details or measurements are provided in the submission cover sheet itself.
Key data point: No specific factual readings or claims stated in this submission cover sheet; the actual remediation plan is in the attached PDF, which is not provided here.
Arbor Hills Landfill responds to EGLE's November 2021 directive to remediate Ponds 1 and 2, which contain elevated PFAS concentrations from Aqueous Film Forming Foam (AFFF) discharged by the fire department during a 2016 incident at an adjacent facility. The facility proposes a detailed 2022 remediation schedule involving off-site pumping and hauling, excavation of contaminated sediment and soil, and post-remediation monitoring, while disputing EGLE's classification of the storm water as a regulated liquid industrial byproduct.
Key data point: PFAS contamination in Pond 1 and Pond 2 confirmed; source attributed to AFFF discharge from fire department in November 2016 at Great Lakes Recycling facility; remediation plan with completion targeted by December 2022.
This is a site plan document for a proposed Renewable Natural Gas (RNG) facility at the Arbor Hills West Expanded Sanitary Landfill (10690 West Six Mile Road, Northville, Michigan). The document presents multiple maps showing topography, aerial imagery, soil surveys, wetlands, floodplains, and elevation data relevant to the RNG plant location. The proposed RNG facility limits encompass 1.87 acres and would impact 0.36 acres of wetlands.
Key data point: Proposed RNG facility limits 1.87 acres; wetland impact area 0.36 acres with 334 sq ft of wetland swale impact.
GFL Environmental authorizes Golder Associates to submit a joint permit application to EGLE for wetland impacts related to a proposed Renewable Natural Gas (RNG) project at the Arbor Hills Landfill facility. This is a procedural authorization letter dated December 30, 2021, filed with the Water Resources Division on January 19, 2022.
Key data point: No specific factual readings or measurements; this is a procedural authorization letter.
Golder Associates conducted a wetland delineation study on approximately 30 acres at the Arbor Hills Landfill near Northville, Michigan, to determine the presence and boundaries of wetlands potentially subject to Michigan's Natural Resources and Environmental Protection Act (NREPA). The work was performed at GFL Environmental's request to assist in planning the Site's use.
Key data point: No specific factual findings or measurements are presented on the cover page; full report review required to extract delineation results.
GFL Environmental submitted a Joint Permit Application (JPA) on January 19, 2022 for construction of a Renewable Natural Gas (RNG) facility at the Arbor Hills Landfill in Washtenaw County, Michigan. The proposed 1.87-acre facility will impact approximately 0.37 acres of emergent wetland, which GFL proposes to mitigate through purchase of 0.56 wetland mitigation bank credits at a 1.5:1 ratio.
Key data point: No specific measured environmental readings are present in this document. It is a permit application form with project design and impact scope information only.
This document is a form identifying adjoining properties to the Arbor Hills Landfill, listing the landfill's parcels and nearby landowners including Braeburn Golf Course, an adjacent property on Napier Road, and Salem Township property on Six Mile Road.
Key data point: No specific factual readings or regulatory claims; this is a property-identification roster dated December 28, 2021.
Email chain coordinating a public townhall on PFAS groundwater investigation at Arbor Hills Landfill between EGLE, Northville Township, and community stakeholders. EGLE indicates a remediation plan evaluation for two AFFF-contaminated ponds will likely be ready by the townhall date.
Key data point: No specific factual readings or measured data provided; document is a scheduling coordination among regulators and township officials regarding a PFAS groundwater investigation townhall.
This document appears to be a metadata stub or header rather than substantive environmental content. It provides only a site classification label and filing date with no measurements, regulatory findings, or risk analysis.
Key data point: No specific factual reading or claim present.
This is a laboratory analytical report from Pace Analytical Services dated January 5, 2022, documenting wastewater sample analysis collected on December 2, 2021 from GFL Environmental at the Arbor Hills site. The report presents results for metals, semivolatiles, and volatile organic compounds, with most analytes reported as below detection limits.
Key data point: No specific factual claim of exceedance or violation; sample matrix is wastewater (WW), collected 12/02/2021, with all reported analytes either non-detect or well below reporting limits.
This is a laboratory analytical report from Pace Analytical Services dated December 16, 2021, documenting the analysis of a water discharge sample collected on December 2, 2021. The sample was tested for total phenolics using EPA Method 420.4, and the result was 0.24 mg/L with a reporting limit of 0.080 mg/L.
Key data point: Total phenolics measured at 0.24 mg/L in discharge sample DISCHARGE 001A collected 12/02/21, analyzed by Pace Analytical Services using EPA 420.4.
This is a regulatory certification filed by Arbor Hills Landfill on January 11, 2022, confirming completion of additional monitoring requirements under permit MI0045713. The operator certifies that all required parameters were monitored and analyzed in compliance with permit conditions using acceptable quantification levels and methods.
Key data point: No specific quantitative readings provided; this is a procedural certification of compliance with monitoring obligations.
This is a December 2021 Discharge Monitoring Report (DMR) for Arbor Hills Remediation Area under NPDES Permit MI0045713 v5.0. The report documents daily and monthly measurements of effluent parameters including flow, suspended solids, nutrients, metals, and temperature. All reported measurements appear to comply with permit limits, with temperature readings ranging from 42.8°F to 54.0°F.
Key data point: Maximum daily effluent temperature in December 2021 was 54.0°F; no violation of permit limits; facility reported compliance with all measured parameters.
Pace Analytical laboratory report dated December 10, 2021, containing mercury analysis results for water samples from DISCHARGE 001A at Arbor Hills Landfill (GFL Environmental). Three samples were collected on December 2, 2021, and analyzed using EPA method 1631E for low-level mercury detection. The report includes quality control data, method blanks, and matrix spike results confirming analytical validity.
Key data point: Mercury detected at 2.00 ng/L and 2.12 ng/L in discharge grab samples collected 12/02/21; field blank non-detect (ND) at reporting limit 0.50 ng/L.
This is an internal MDEQ review of Arbor Hills Landfill's NPDES permit reissuance application for treated groundwater discharge to an unnamed tributary of Johnson Drain. The review identifies multiple water quality concerns in the receiving stream (PCBs, mercury, E. coli, dissolved oxygen) and recommends effluent limits for mercury, cyanide, and thermal discharge, along with enhanced monitoring requirements.
Key data point: Thermal discharge limit exceeded three times during review period; final effluent temperature ranged from 1.5°F to 66.2°F with 28 of 32 discharge days showing reasonable potential to exceed Michigan Water Quality Standards.
This is a Water Quality-Based Effluent Limits (WQBEL) biologist recommendation document for the NPDES permit reissuance of Arbor Hills Landfill's groundwater discharge (MI0045713, Outfall 001). The facility discharges treated groundwater at up to 0.1 MGD to an unnamed tributary of Johnson Drain. The document recommends specific monitoring and effluent limits for mercury, cyanide, and thermal discharge based on reasonable potential analysis of historical discharge data from 2017–2021.
Key data point: Mercury measured at 0.7–2.3 ng/L (below current LCA limit); recommend new LCA of 2.0 ng/L with quarterly monitoring. Cyanide single high reading of 66 µg/L detected; recommend daily maximum of 44 µg/L and monthly average of 5.2 µg/L. Final effluent temperature ranged 1.5–66.2°F; thermal discharge limit of 0.1 MBTU/hr exceeded three times during review period (Jan 2017–Oct 2021).
Arbor Hills Remediation Area submitted its annual Storm Water Pollution Prevention Plan (SWPPP) review for 2022 under permit MIS210766, affirming compliance with all regulatory requirements including inspections, training, maintenance, and documentation. The facility noted that a revision to the SWPPP was underway to account for new processes associated with a Hauling Facility on site.
Key data point: No specific quantitative or factual readings provided; document is a compliance attestation form with yes/no answers confirming permit compliance as of January 4, 2022.
GFL submitted an NPDES Schedule of Compliance report for the Arbor Hills Remediation Area on December 22, 2021, in response to a five-day notice regarding discharge issues under permit MI0045713. The submission includes a formal response attachment but provides no additional comment.
Key data point: No specific quantitative data or factual findings stated in the submission itself; it is a procedural filing acknowledging receipt of a five-day NPDES discharge violation notice.
Golder Associates filed a 5-day Notice of Non-Compliance on December 22, 2021, reporting that foam was identified in the NPDES discharge from Arbor Hills Remediation Area on December 20, 2021. The discharge was discontinued at 14:15 that day; the foam occupied approximately 12" × 12" × 2" in the receiving water and is attributed to natural decomposition.
Key data point: Foam identified in NPDES discharge (MI0045713), December 20, 2021, 13:30; 0.09578 million gallons discharged December 19–20; discharge discontinued 14:15 December 20.
GFL Environmental requested a one-week extension (to December 22, 2021) to submit a Remediation Plan Response to EGLE's November 1, 2021 letter, citing COVID-19 illness. EGLE approved the extension. The correspondence also addresses PFAS-related Short-Term Storm Water Characterization Study (STSWCS) sample results, which EGLE required to be submitted via MiWaters promptly rather than held for the final report.
Key data point: No specific factual or measurement data in this document; it is a procedural extension approval with no quantitative findings or violations cited.
The Michigan Department of Environment, Great Lakes, and Energy issued an NPDES Certificate of Coverage (COC No. MIS210766) on June 20, 2023, authorizing Arbor Hills Landfill Incorporated to discharge stormwater from the Arbor Hills Remediation Area to Johnson Drain under General Permit MIS210000. The COC certifies that the permittee is in compliance with storm water pollution prevention requirements, source controls, and applicable Total Maximum Daily Loads for dissolved oxygen, biota, and E. coli.
Key data point: No specific factual measurements or violation findings; this is a permit issuance document certifying compliance status as of October 4, 2021, with general permit conditions through April 1, 2027.
This is a Discharge Monitoring Report (DMR) for the Arbor Hills Remediation Area covering November 2021. The document lists permit requirements for water quality parameters including flow, suspended solids, CBOD5, ammonia nitrogen, phosphorus, arsenic, mercury, selenium, temperature, pH, and dissolved oxygen at the final effluent outfall. The report indicates "No Discharge" for the monitoring period.
Key data point: No specific measured readings are provided in this document; it is a template/schedule listing permit limits and monitoring requirements only.
This is page 6–7 of a water discharge permit (MI0045713) detailing monitoring requirements for thermal discharge and water quality constituents including metals, volatile organic compounds, and other contaminants. The document specifies analytical methods, quantification levels, and reporting procedures for periodic sampling at designated monitoring points and control wells.
Key data point: No specific measured readings or site-specific data point provided; this is a procedural permit document listing required testing parameters and methods.
GFL submitted an NPDES Schedule of Compliance report for the Arbor Hills Remediation Area on 12/7/2021, indicating that annual water-quality parameters were collected on 12/2/2021 and sent for laboratory analysis per permit requirements.
Key data point: Annual NPDES parameters collected 12/2/2021 for Arbor Hills Remediation Area (Permit MIS210766); analytical results pending.
This is a First Interim Short-Term Stormwater Characterization Study (STSWCS) Report filed by Arbor Hills Landfill Inc. in December 2021 to characterize PFAS (perfluoroalkyl and polyfluoroalkyl substances) sources in stormwater at the facility. The study evaluated two qualifying rain events in September and October 2021 and identified PFAS-containing aqueous film-forming foam (AFFF) discharged by local fire department during a 2016 recycling facility fire, as well as consumer waste, as potential PFAS sources. Samples from multiple on-site and off-site locations were analyzed, with nine of eleven roadway drainage ditch samples exceeding Michigan's Rule 57 Human Noncancer Value for PFOS (12 ppt/12 ng/L).
Key data point: Nine of eleven roadway drainage ditch samples exceeded Michigan Rule 57 HNV for PFOS (12 ng/L); PFOS readings ranged 27–56 ng/L in SW and NW roadway ditches on 9/22/2021 and 10/21/2021; AFFF source from 2016 fire confirmed in Pond 1, Pond 2, and Wetland #1.
A procedural submission filing for Arbor Hills Landfill dated December 3, 2021, submitting a first interim Sampling, Testing, and Stabilization/Containment Strategy (STSWCS) Report. The filing references a remediation area at the site but provides no permit number or detailed comment.
Key data point: No specific factual data or measurements provided in this cover document.