Scheduling & Homework

Area Wide Optimization Status Component AWOP Components Status Maintenance Targeted Performance Improvement Status Component Status component is the foundation of AWOP activities Prioritizes plants relative to public health risk Allows allocation of resources to highest risk facilities

Provides information to document progress/success Status components can be developed to target any water quality performance/parameter (i.e., microbial, disinfection byproducts) The focus of this presentation is on the microbial status component Status Component Objectives Develop, utilize, and sustain a performance tracking process Develop, utilize, and sustain a prioritization process Develop, utilize, and sustain awareness building process Establishing a Status Component

Adopt optimization performance goals Develop prioritization criteria Develop performance database Compile and utilize status information Establish Internal/External Support Adopt Optimization Performance Goals (State) Identify optimization goals for state and gain Management support to adopt goals Send out letters to all or initially to selected plants (minimum 10) announcing adoption of goals. Ask plants to adopt goals.

Some states use letter as opportunity to provide one year of performance data to plants. Letter builds awareness of goals and need to optimize. Optimization Performance Goals (Recommended by NOLT) Minimum data monitoring requirements Daily raw water turbidity (every 4 hours) Individual basin settled water turbidity Filtered water turbidity

Frequency of data acquisition from continuous meters: <15 minutes Frequency of data acquisition from continuous meters: < 1 minutes Filter backwash recovery data each backwash Sedimentation Turbidity 2 NTU 95% time when source turbidity > 10 NTU Turbidity 1 NTU 95% time when source turbidity 10 NTU Optimization Performance Goals (Recommended by NOLT) Filtration Turbidity 0.10 NTU 95% time Maximum turbidity < 0.30 NTU Post Backwash turbidity Plants with filter-to-waste

minimize spike during filter-to-waste period return to service < 0.10 NTU Plants without filter-to-waste < 0.30 NTU maximum turbidity return to < 0.10 NTU within 15 minutes Develop Status Component Prioritization Criteria Objective: To develop and utilize office and field data to prioritize utilities relative to public health risk. These efforts should result in identifying low, medium, and high risk utilities. Develop Prioritization Criteria Develop criteria (parameters) to rank systems based upon risk to public health

Criteria should be performance based but can include other parameters Try to develop criteria that provides broad range of points (allows better separation of plants) Avoid complex prioritization schemes that are resource intensive to develop and sustain Recommended Model Criteria Microbial Status Component Based on five categories (relative weighting) Performance (40%) Source Water (20%) Disinfection (15%) Compliance (10%) Miscellaneous (15%)

Supported by OAS data Model criteria attached (hardcopy and elec.) Recommended Model Criteria Microbial Status Component Category Parameter (Source of Data) Points Assigned Treatment Performance Data Individual Filter Effluent Turbidities (See Note2) (Based on the 95% value of the maximum turbidity value from any filter during each day. See note 2 below for considerations of periods of backwash and filter-to-waster in collecting this data) < 0.10 NTU 0.10 NTU - 0.15 NTU 0.15 NTU - 0.20 NTU 0.20 NTU - 0.30 NTU > 0.30 NTU Combined Filter Effluent Turbidities (See Note 3) (Based on the 95% value of the maximum finished water

turbidity for each day) < 0.10 NTU 0.10 NTU - 0.15 NTU 0.15 NTU - 0.20 NTU 0.20 NTU - 0.30 NTU > 0.30 NTU Settled Water Turbidities (Based on the 95% of the maximum turbidity from any sedimentation basin for each day) When Annual Average Raw Water Turbidities < 10 NTU < 1 NTU > 1 NTU > 5 NTU When Annual Average Raw Water Turbidities > 10 NTU < 2 NTU > 3 NTU > 5 NTU Category Parameter (Source of Data) Points Assigned Source Water 0 100 200

300 400 0 100 200 300 400 Raw Water Fecal Coliforms (Based on all fecal coliform data available for the plant's raw water source) Average < 150 organisms/100 ml Average > 150 organisms/100 ml Maximum > 500 organisms/100 ml Maximum > 1000 organisms/100 ml 0 50 100 200 Treatment Plant Disinfection CT Inactivation Ratio (CT actual/CT req'd) (Based on daily CT calucalations and SWTR CT requirements) Number of days inactivation ratio less than 1.0 X 10 Regulatory Compliance

Number of Violations (Based on compliance determinations for all regulations) Number of Acute MCL Violations Number of MCL Violations Number of Treatment Technique Violations X 10 X2 X5 Miscellaneous Criteria 0 20 50 0 50 100 Population Served (including consecutive systems) < 1000 1000-5000 5000-10000 > 10000 Overnight Shut Down or On-Off Operation Number of Signicant Deficiencies from Last Sanitary Survey 10 20 30 40 50

X 10 Recommended Model Criteria Microbial Status Component Notes on Model Status Component: Use only IFE data if available; this is desired information relative to optimized performance goals. This data is often not readily available. Backwash Considerations: Backwash performance should be tracked, if possible, and criteria should be included in the status component If system does not have filter-to-waste capability, consider weighting accordingly Use only CFE data if IFE data is not available. The maximum CFE data for the day is the desired

information. If only 4-hour turbidity readings are available, use the maximum of the 4-hour readings for the day. Develop Prioritization Criteria NOLT Model Criteria IFE preferred over CFE if available OAS does not support backwash goals; however, states are encouraged to obtain this data Summary Matrix of AWOP State Criteria has been compiled and detailed criteria from AWOP states is available: For more information contact Rick Lieberman ( [email protected]) Develop Prioritization Criteria Point system allows method to compare

performance improvements over time 2002 2003 Average total score 216 163 Average 95th percentile turbidity 0.21 0.16 # Plants w/ 95th percentile < 0.3 NTU 50 55 # Plants w/ 95th percentile < 0.1 NTU 11 17 # Plants w/lower 95th percentile # Plants w/ no change in 95th percentile

39 6 # Plants with higher 95th percentile 14 # Plants making significant improvement (0.05 NTU decrease) 19 Develop Performance Database Utilize Optimization Assessment Software (OAS) to identify performance of plants Provides basis for performance ranking of plants Provides insight into the operation/performance of the plant for both state and plant personnel Modify Monthly Operating Reports (MORs)

to support data collection Develop Performance Database (Cont.) Establish resources for continuously tracking performance for AWOP plants Difficult initially, but can be handled in a routine manner after initial effort Some AWOP states have used part-time help Pursue utility use of OAS with electronic submittal to states Develop Performance Database (Cont.) Update prioritization database and OAS to allow ranking on a minimum yearly basis.

Compile and Utilize Status Information Update prioritization ranking of plants on an annual basis Utilize information to allocate state resources based on public health risk Identify tools to address high, medium and low risk plants High (CPEs/CTAs) Medium (CPEs/PBT/FPPEs) Low (PSW or other self assessment tools) Compile and Utilize Status Information (Cont.) Utilize status information to provide feedback to utility/utilities (provide OAS data during sanitary

surveys or with letters adopting goals) Utilize information to measure effectiveness of optimization efforts (individual utilities and combined utilities) Utilize information to encourage continuous performance improvement attitude Utilize information to support an awards program to further motivate participants Others? Establish Internal/External Support Gain internal support for AWOP activities Establish synergy with existing programs (sanitary surveys, capacity development, training, design review, etc.)

Establish relationship with existing and future regulatory requirements Provide routine feedback to Management on program activities and impacts (after significant events and in an annual report) Establish Internal/External Support (Cont.) Promote AWOP to water utilities Establish awards for optimization efforts Present articles/presentations to peers and utility organizations Utilize site visits to utilities to promote program and impacts (e.g., focus on optimized performance goals)

Coordinate all state activities to encourage continuous performance improvement attitude with water utilities Establish Internal/External Support (Cont.) Document improvements in individual plant performance and associated AWOP activities that led to improvements (awareness of goals, CPE, PBT, peer pressure, awards, etc.) Prepare Annual Report documenting performance trends on state-wide basis (compare yearly data to show improvement, compare yearly prioritization matrix point scores). Utilize for marketing and Management feedback Average Percent Achieving Goal, 1997 Filtered Water 100 80 60 40 20

41 43 45 47 49 51 53 55 57 59 41 43 45 47 49

51 53 55 57 59 39 37 35 33 31 29 27 25 23 21 19

17 15 13 11 9 7 5 3 0 1 Pe r c e n t tim e g o a l m e t Example Documentation of AWOP Impacts and Success Wate r Syste m 100 80 60

40 20 Water System 39 37 35 33 31 29 27 25 23 21 19 17 15

13 11 9 7 5 3 0 1 Pe rce n t time g o al me t Average Percent Achieving Goal, 2001 Filtered Water Status Component Summary Status component is the foundation of AWOP activities Recommended starting point for all AWOP states and Regions

Can be used to define priorities for states' Targeted Performance Improvement activities (next component in AWOP) Initiates Maintenance Component activities (i.e., incorporate OAS into sanitary surveys) Next Steps Review model status component criteria and state status component matrix (can be obtained by contacting Rick Lieberman at [email protected]) Obtain copy and review current state MOR Consider status component parameters, weighting criteria, and methods to populate a status component ranking for your state

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