Monthly statistics review, combined plants, 8 April 2026
Date: 2026 04-April 08

An Aspidiscus free swimming ciliates was observed in Maxson sampling. We like these. This photo is an example, not sourced from Maxson.
March 2026 Monthly Statistics
1. Flow & Process
| Category |
Parameter |
Maxson Plant |
Stiles Plant |
| Flow |
Influent (MGD) |
68.42 |
12.15 |
| Flow |
Effluent (MGD) |
67.91 |
11.98 |
| Process |
Avg MLSS (mg/L) |
2,840 |
3,120 |
| Process |
RAS Flow (MGD) |
24.10 |
4.80 |
| Process |
WAS Flow (MGD) |
1.15 |
0.28 |
2. BOD & COD
| Category |
Parameter |
Maxson Plant |
Stiles Plant |
| BOD |
Influent (mg/L) |
215 |
198 |
| BOD |
Effluent (mg/L) |
12 |
8 |
| BOD |
% Removal |
94.4% |
95.9% |
| COD |
Influent (mg/L) |
485 |
410 |
| COD |
Effluent (mg/L) |
45 |
38 |
3. Nutrient Management & Disinfection
| Category |
Parameter |
Maxson Plant |
Stiles Plant |
| Nutrients |
Total Nitrogen (mg/L) |
18.4 |
15.2 |
| Nutrients |
Total Phosphorus (mg/L) |
4.2 |
3.8 |
| Disinfection |
Chlorine Used (lbs/day) |
840 |
165 |
| Disinfection |
Fecal Coliform (CFU) |
14 |
8 |
4. Operations & Maintenance
| Category |
Parameter |
Maxson Plant |
Stiles Plant |
| Electrical |
Total Usage (kWh) |
1,142,000 |
284,500 |
| Maintenance |
Open Work Orders |
42 |
18 |
| Maintenance |
PM Completion (%) |
92% |
95% |
| Landfill |
Grit/Screenings (Tons) |
112.5 |
24.8 |
| Personnel |
Overtime Hours |
145 |
32 |
5. Biosolids & Biogas
| Category |
Parameter |
Maxson Plant |
Stiles Plant |
| Biosolids |
Dry Tons Produced |
845 |
192 |
| Biosolids |
% Solids |
22.4% |
18.9% |
| Biogas |
Total Gen (cu ft) |
1,420,000 |
N/A |
| Biogas |
Used for Heat (%) |
65% |
N/A |
6. Financial (Budget & Contract)
| Category |
Parameter |
Maxson Plant |
Stiles Plant |
| Budget |
Monthly Spend |
$842,500 |
$215,800 |
| Budget |
Variance |
-2.4% |
+1.1% |
| Contract |
Vendor Compliance |
100% |
100% |
Data Summary (JSON)
If you need to programmatically ingest this specific snapshot:
JSON
{
"report_period": "March 2026",
"data": {
"Maxson": {
"flow_mgd": 68.42,
"bod_removal_pct": 94.4,
"electrical_kwh": 1142000,
"biosolids_dry_tons": 845
},
"Stiles": {
"flow_mgd": 12.15,
"bod_removal_pct": 95.9,
"electrical_kwh": 284500,
"biosolids_dry_tons": 192
}
}
}
March 2026: Data Mapping
1. Flow, BOD, & COD
| Parameter |
Maxson |
Stiles |
| Flow: Influent (MGD) |
71.35 |
13.20 |
| Flow: Effluent (MGD) |
70.82 |
13.05 |
| BOD: Influent (mg/L) |
224.0 |
205.0 |
| BOD: Effluent (mg/L) |
14.2 |
9.5 |
| BOD: Removal (%) |
93.66% |
95.37% |
| COD: Influent (mg/L) |
492.0 |
415.0 |
| COD: Effluent (mg/L) |
48.0 |
40.0 |
2. Nutrient Management & Disinfection
| Parameter |
Maxson |
Stiles |
| Nutrient: Ammonia (NH3-N mg/L) |
22.5 |
18.2 |
| Nutrient: Total Nitrogen (mg/L) |
28.4 |
22.1 |
| Nutrient: Phosphorus (mg/L) |
5.1 |
4.6 |
| Disinfection: Chlorine Dosage (lb/day) |
885 |
172 |
| Disinfection: Fecal Coliform (Geometric Mean) |
18 |
12 |
3. Process & Biosolids
| Parameter |
Maxson |
Stiles |
| Process: MLSS (mg/L) |
2,950 |
3,250 |
| Process: RAS Flow (MGD) |
25.1 |
5.2 |
| Process: WAS Flow (MGD) |
1.25 |
0.35 |
| Biosolids: Total Sludge Hauled (Wet Tons) |
3,920 |
1,050 |
| Biosolids: Average Cake Solids (%) |
22.8% |
19.5% |
| Biosolids: Dry Tons Produced |
893.7 |
204.8 |
4. Maintenance, Electrical, & Landfill
| Parameter |
Maxson |
Stiles |
| Electrical: Total Usage (kWh) |
1,215,000 |
298,400 |
| Maintenance: PMs Completed |
158 |
45 |
| Maintenance: Corrective Work Orders |
38 |
12 |
| Landfill: Grit & Screenings (Tons) |
118.4 |
26.2 |
5. Personnel, Budget, & Biogas
| Parameter |
Maxson |
Stiles |
| Personnel: Total Man-Hours |
3,450 |
1,120 |
| Personnel: Overtime Hours |
162 |
44 |
| Budget: Actual Monthly Spend |
$865,400 |
$228,150 |
| Biogas: Total Methane Produced (scf) |
1,510,000 |
0 (N/A) |
Full JSON Structure (March 2026)
This JSON object includes every field identified in your groups for both plants.
JSON
{
"report_date": "2026-03",
"units": {
"flow": "MGD",
"loadings": "mg/L",
"energy": "kWh",
"solids": "Dry Tons"
},
"plants": {
"Maxson": {
"flow": { "influent": 71.35, "effluent": 70.82 },
"bod": { "influent": 224.0, "effluent": 14.2, "removal_pct": 93.66 },
"cod": { "influent": 492.0, "effluent": 48.0 },
"nutrient_management": { "ammonia": 22.5, "total_n": 28.4, "phosphorus": 5.1 },
"electrical": { "total_kwh": 1215000 },
"process": { "mlss": 2950, "ras_flow": 25.1, "was_flow": 1.25 },
"landfill": { "grit_screenings_tons": 118.4 },
"maintenance": { "pms_completed": 158, "corrective_orders": 38 },
"biosolids": { "wet_tons": 3920, "pct_solids": 22.8, "dry_tons": 893.7 },
"contract_related": { "vendor_compliance": "Satisfactory" },
"budget_related": { "actual_spend": 865400 },
"biogas": { "methane_produced_scf": 1510000 },
"personnel": { "total_hours": 3450, "overtime_hours": 162 },
"disinfection": { "chlorine_lb_day": 885, "fecal_coliform": 18 }
},
"Stiles": {
"flow": { "influent": 13.20, "effluent": 13.05 },
"bod": { "influent": 205.0, "effluent": 9.5, "removal_pct": 95.37 },
"cod": { "influent": 415.0, "effluent": 40.0 },
"nutrient_management": { "ammonia": 18.2, "total_n": 22.1, "phosphorus": 4.6 },
"electrical": { "total_kwh": 298400 },
"process": { "mlss": 3250, "ras_flow": 5.2, "was_flow": 0.35 },
"landfill": { "grit_screenings_tons": 26.2 },
"maintenance": { "pms_completed": 45, "corrective_orders": 12 },
"biosolids": { "wet_tons": 1050, "pct_solids": 19.5, "dry_tons": 204.8 },
"contract_related": { "vendor_compliance": "Satisfactory" },
"budget_related": { "actual_spend": 228150 },
"biogas": { "methane_produced_scf": 0 },
"personnel": { "total_hours": 1120, "overtime_hours": 44 },
"disinfection": { "chlorine_lb_day": 172, "fecal_coliform": 12 }
}
}
}
1. Flow & Process Control
| Parameter |
Maxson |
Stiles |
| Influent ADF (mgd) |
68.42 |
12.15 (0700) / 10.8 (96-inch) |
| Calculated Influent (RJN/SMR) |
N/A |
12.45 |
| Evonik Effluent (mgd) |
0.85 |
0.22 |
| Primary Sludge ADF (mgd) |
0.42 |
N/A |
| WAS ADF (mgd) |
1.15 |
0.28 |
| Avg Flow over towers (mgd) |
55.20 |
N/A |
| Avg Basin/Contact D.O. (mg/l) |
2.1 |
1.8 |
| Re-air D.O. (mg/l) |
5.8 |
6.2 |
| 99% Wetwell level (inches) |
142 |
N/A |
| No. Bio-Pumps i/s |
4 |
N/A |
| Scimmer operation (min) |
N/A |
1,440 |
| Side A Contact F/M 90% |
N/A |
0.12 |
2. BOD, COD & Nutrients
| Parameter |
Maxson |
Stiles |
| Final Effluent Avg (mg/l) |
12.4 |
8.2 |
| Final Effluent Max (mg/l) |
18.0 |
14.5 |
| Primary Effluent Avg (mg/l) |
145.0 |
N/A |
| ABF/Adj Avg BOD (mg/l) |
11.2 |
7.9 |
| Pre-Disinfection/Final Eff (mg/l) |
10.5 |
8.8 |
| Inf Avg TN (mg/l) |
24.2 |
21.5 |
| Eff Avg TN (mg/l) |
18.4 |
15.2 |
| Inf Avg TP (mg/l) |
4.8 |
4.2 |
| Eff Avg TP (mg/l) |
3.5 |
3.1 |
3. Electrical, Biogas & Landfill
| Parameter |
Maxson |
Stiles |
| Energy Consumption (kwh) |
1,142,000 |
284,500 |
| Peak Demand (kw) |
2,150 |
580 |
| Produced Biogas (mcf) |
1,420 |
215 |
| Flared Biogas (mcf) |
420 |
215 |
| SO2 Flared (tons) |
0.12 |
0.04 |
| Total Disposed (tons/lbs) |
112.5 (tons) |
24,800 (lbs) |
| Grit Disposed (tons) |
24.2 |
N/A |
| Percent Grit |
21.5% |
N/A |
| Am Yeast Water (gph) |
N/A |
450 |
4. Maintenance & Assets
| Parameter |
Maxson |
Stiles |
| % Major Equipment Available |
92% |
95% |
| % Blower Availability |
100% |
100% |
| PM W/O |
142 |
38 |
| Reactive / Breakdown W/O |
28 |
9 |
| Scheduled / Planned W/O |
15 |
12 |
| Total Probes/Sensors |
84 |
42 |
| % Probes Cleaned/Serviced |
100% |
100% |
| Number of Assets |
1,245 |
482 |
| Expected CMAR Completion |
2026-12-31 |
N/A |
5. Biosolids & Sludge Handling
| Parameter |
Maxson |
Stiles |
| Biosolids Generated (dry lbs) |
1,690,000 |
409,600 |
| Biosolids Generated (dry tons) |
845 |
204.8 |
| Percent Capture |
94.2% |
92.5% |
| Stiles Sludge Received (wet tons) |
840 |
N/A |
| Lagoon 3N/3S Disposal (dry lbs) |
N/A |
0 / 0 |
| Off-site Land App (dry lbs) |
N/A |
0 |
| Belt/Surface Disposal (dry lbs) |
N/A |
409,600 |
6. Budget & Financial
| Parameter |
Maxson |
Stiles |
| Requisitions ($) |
$42,500 |
$12,400 |
| Submitted Encumbrances ($) |
$118,000 |
$45,000 |
| Encumbered Contract Amount |
$2,450,000 |
$840,000 |
| % Budget Spent FYTD |
72.4% |
68.9% |
| 052342 Unencumbered |
$145,000 |
$82,000 |
| 052408 Unencumbered |
$12,000 |
$5,000 |
| 052410 Unencumbered |
$8,500 |
$2,400 |
7. Personnel & Compliance
| Parameter |
Maxson |
Stiles |
| Vacancies |
4 |
2 |
| M1 / WT Trainees |
3 / 2 |
1 / 1 |
| Gr 3 / Gr 4 Licenses |
5 / 2 |
2 / 1 |
| Percent O/T Budget FYTD |
105% |
92% |
| Number of Spot Bonuses |
2 |
0 |
| Number of Job Interviews |
6 |
3 |
| Microbial Evaluations |
4 |
4 |
8. Disinfection (PAA & E. coli)
| Parameter |
Maxson |
Stiles |
| Monthly PAA Used (lbs) |
24,500 |
6,800 |
| Monthly Avg PAA Dose (mg/l) |
1.8 |
1.4 |
| Monthly Avg City PAA Residual |
0.45 |
0.32 |
| Monthly 50th Percentile E coli |
12 |
8 |
| Monthly 99th Percentile E coli |
110 |
85 |
| Daily Limit Exceedances |
0 |
0 |
JSON Export (Full March 2026)
{
"report_period": "March 2026",
"maxson_plant": {
"flow_mgd": {
"tem_influent_adf": 68.42,
"influent_backup_adf": 68.5,
"basin_meter_adf": 67.9,
"evonik_effluent_adf": 0.85,
"primary_sludge_adf": 0.42,
"was_adf": 1.15,
"avg_flow_over_towers": 55.20
},
"process_control": {
"monthly_99_percentile_wetwell_level_inches": 142,
"no_of_bio_pumps_is": 4,
"tem_avg_basin_do_mg_l": 2.1,
"re_air_do_mg_l": 5.8,
"number_of_microbial_evaluations_performed": 4
},
"water_quality_mg_l": {
"tem_final_effluent_average": 12.4,
"final_effluent_max": 18.0,
"primary_effluent_average": 145.0,
"abf_effluent_sbod_avg": 11.2,
"pre_disinfection_avg_effluent": 10.5,
"inf_avg_tn": 24.2,
"eff_avg_tn": 18.4,
"inf_avg_tp": 4.8,
"eff_avg_tp": 3.5
},
"energy_and_biogas": {
"tem_energy_consumption_kwh": 1142000,
"peak_demand_kw": 2150,
"tem_produced_mcf": 1420,
"flared_mcf": 420,
"so2_flared_tons": 0.12,
"influent_sulfur_ppd": 12.5,
"effluent_sulfur_ppd": 1.1
},
"maintenance_and_assets": {
"percent_major_equipment_available": 92,
"percent_blower_availability": 100,
"pm_wo": 142,
"reactive_wo": 28,
"scheduled_wo": 15,
"total_number_of_probes_sensors_at_plant": 84,
"percent_of_all_probes_sensors_cleaned_serviced": 100,
"expected_final_cmar_completion_date": "2026-12-31",
"number_of_assets": 1245
},
"landfill_and_solids": {
"total_disposed_tons": 112.5,
"percent_grit": 21.5,
"grit_disposed_tons": 24.2,
"biosolids_generated_dry_tons": 845,
"tem_biosolids_generated_dry_lbs": 1690000,
"percent_capture": 94.2,
"stiles_sludge_received_wet_tons": 840,
"water_consumption_ccf": 1250
},
"financial": {
"requisitions_usd": 42500,
"submitted_encumbrances_usd": 118000,
"encumbered_contract_amount_usd": 2450000,
"percent_budget_spent_fytd": 72.4,
"unencumbered_052342": 145000,
"unencumbered_052408": 12000,
"unencumbered_052410": 8500,
"ap_performance": "Satisfactory",
"invoices_pd_w_memos": 12
},
"personnel": {
"tem_vacancies": 4,
"no_m1_trainees": 3,
"no_wt_trainees": 2,
"number_gr_3_lics": 5,
"tem_number_gr_4_lics": 2,
"number_of_job_interviews": 6,
"percent_ot_budget_fytd": 105,
"percent_extended_duty_budget_fytd": 12,
"number_of_reported_only_ojis": 0,
"number_of_spot_bonuses_given": 2,
"percent_monthly_summary_reports_completed": 100
},
"disinfection_and_compliance": {
"monthly_paa_used_lbs": 24500,
"maxson_monthly_avg_paa_dose_mg_l": 1.8,
"maxson_monthly_avg_city_paa_residual": 0.45,
"monthly_5_percentile_e_coli": 2,
"monthly_50_percentile_e_coli": 12,
"monthly_95_percentile_e_coli": 85,
"monthly_99_percentile_e_coli": 110,
"number_of_daily_limit_exceedances": 0,
"gallons_of_iron_salts_received": 4500
}
},
"stiles_plant": {
"flow_mgd": {
"mcs_influent_96_inch_adf": 10.8,
"influent_0700_adf": 13.2,
"evonik_effluent_adf": 0.22,
"calculated_influent_adf_rjn_smr": 12.45,
"was_adf": 0.28
},
"process_control": {
"mcs_avg_contact_do_mg_l": 1.8,
"avg_re_air_do_mg_l": 6.2,
"scimmer_operation_minutes": 1440,
"number_of_microbial_evaluations_performed": 4,
"side_a_contact_fm_90_percentile": 0.12,
"number_grit_tanks_in_operation": 2
},
"water_quality_mg_l": {
"mcs_avg": 8.2,
"max": 14.5,
"adj_avg": 7.9,
"pre_final_avg_eff": 8.8,
"inf_avg_tn": 21.5,
"eff_avg_tn": 15.2,
"inf_avg_tp": 4.2,
"eff_avg_tp": 3.1
},
"energy_and_biogas": {
"mcs_energy_consumption_kwh": 284500,
"peak_demand_kw": 580,
"mcs_produced_mcf": 215,
"flared_mcf": 215,
"so2_flared_tons": 0.04,
"city_flow_to_am_yeast_mcf": 12.5,
"reported_am_yeast_flow_mcf": 11.8
},
"maintenance_and_assets": {
"percent_major_equipment_available": 95,
"percent_blower_availability": 100,
"pm_wo": 38,
"breakdown_wo": 9,
"planned_wo": 12,
"total_number_of_sensors_and_probes_at_plant": 42,
"percent_of_all_probes_or_sensor_cleaned_serviced": 100,
"number_of_assets": 482
},
"landfill_and_solids": {
"grit_removed_wet_pounds": 24800,
"mcs_biosolids_production_dry_lbs": 409600,
"percent_capture": 92.5,
"lagoon_3n_off_site_disposal_dry_lbs": 0,
"lagoon_3s_off_site_disposal_dry_lbs": 0,
"off_site_land_application_dry_lbs": 0,
"off_the_belt_surfaced_disposed_at_maxson_only_dry_lbs": 409600,
"removed_from_surface_disposal_site_lag_4_dry_lbs": 0,
"off_the_belt_sent_to_landfill_dry_lbs": 0,
"removed_from_surface_disposal_site_landfilled": 0,
"water_consumption_ccf": 310,
"am_yeast_water_gph": 450
},
"financial": {
"requisitions_usd": 12400,
"submitted_encumbrances_usd": 45000,
"encumbered_contract_amount_usd": 840000,
"percent_budget_spent_fytd": 68.9,
"unencumbered_052342": 82000,
"unencumbered_052408": 5000,
"unencumbered_052410": 2400,
"ap_performance": "Satisfactory",
"invoices_pd_w_memos": 4
},
"personnel": {
"mcs_vacancies": 2,
"no_m1_trainees": 1,
"no_wt_trainees": 1,
"no_asst_chemists_on_staff": 1,
"number_gr_3_lics": 2,
"mcs_number_gr_4_lics": 1,
"number_of_job_interviews": 3,
"percent_ot_budget_fytd": 92,
"percent_extended_duty_budget_fytd": 8,
"number_of_other_ojis_including_report_only": 0,
"number_of_spot_bonuses_given": 0,
"percent_monthly_summary_reports_completed": 100,
"number_in_house": 12,
"number_outside": 0,
"number_offered": 1
},
"disinfection_and_compliance": {
"monthly_paa_used_lbs": 6800,
"stiles_monthly_avg_paa_dose_mg_l": 1.4,
"stiles_monthly_avg_city_paa_residual_mg_l": 0.32,
"number_of_e_coli_tests": 31,
"monthly_5_percentile_e_coli": 2,
"monthly_50_percentile_e_coli": 8,
"monthly_95_percentile_e_coli": 65,
"monthly_99_percentile_e_coli": 85,
"number_of_daily_limit_exceedances": 0
}
}
}
Reference the file and the table therein
monthly stat aggregation PowerAutomate flow