FY 23 Approved Budget Book

DPW - WATER & SEWER - WASTEWATER PROCESSING OBJECTIVE & PERFORMANCE MEASURES Department Goals To provide responsive and economic service to customers Department Objective To operate WWTPs efficiently and effectively in order to outperform the National Pollutant Discharge Elimination System (NPDES) permit requirements for wastewater treatment plants. County Goal(s) Supported I. Fiscal Balance and Efficiency

Measure

Actual 2020

Actual 2021

Actual 2022 Estimated 2023

Input: Expenditures for wastewater processing

$13,285,016

$13,042,790

$16,920,053

$18,845,582

Output: Millions of gallons treated

4,402

4,442

4,060

4,511

Cost per million gallons of treated Outcome: Permit Parameters Total Suspended Solids (TSS)

$3,018

$2,936

$4,168

$4,178

<=30 mg/l

<=30 mg/l

<=30 mg/l

<=30 mg/l

Biological Oxygen Demand (BOD)

<=30 mg/l <=0.30 mg/l <=4.0 mg/l

<=30 mg/l <=0.30 mg/l <=4.0 mg/l

<=30 mg/l <=0.30 mg/l <=4.0 mg/l

<=30 mg/l <=0.30 mg/l <=4.0 mg/l

Total Phosphorus (TP) Total Nitrogen (TN)

Harford County Averages Average concentration TSS achieved Average concentration of BOD achieved Average concentration of TP achieved Average concentration of TN achieved

3 3

3.0 4.0 0.1 2.4

2.0 3.0 0.1 2.3

2.0 2.0 0.2 2.4

0.2 2.1

Explanation and Analysis of Performance Measures Wastewater Processing seeks to maintain efficient service costs while protecting the environment and providing customers with effective treatment. Performance and requirements are based on a flow weighted combination of the permits and plant performance.

601