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FRWA

U. R. R. A. L. A. D. W. I. A. R. T. O. E. L. F. R. FRWA. A. N. S. O. S. I. O. T. A. C. I. Initial Distribution System Evaluation and the Stage 2 DBP Rule for Schedule 4 Systems between 9,999 and 500 population Training Sessions. U. R. R. A. L. A. D. W. I. A.

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FRWA

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  1. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Initial Distribution System Evaluationand the Stage 2 DBP Rulefor Schedule 4 Systems between9,999 and 500 populationTraining Sessions

  2. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Stage 2 Definitions • IDSE = Initial Distribution System Evaluation • SMP = Standard Monitoring Plan • VSS = Very Small System Waivers (< 500 pop) • 40/30 = Certification for Reduced Monitoring Systems (no IDSE requirement) • DBP = Disinfection By-Products • TTHMs = Total Trihalomethanes • HAA5s = Haloacetic Acids • UDI = Groundwater Wells Under the Direct Influence of Surface Water

  3. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Today’s TrainingStage 2 D/DBP Rule • Today’s Training is for: • Community Water Systems (CWS) • CWS’s that make and use their own water • Population Served between 9,999 and 500 persons (Schedule 4 Systems)

  4. U R R A L A D W I A R T O Step 3 Select Candidate Sites for High HAA5s Step 2 Select Candidate Sites for High TTHMs E L F R FRWA A N S O S I O T A C I Today’s TrainingStage 2 D/DBP Rule Step 1 Gather Data & Tools Water System Map Stage 1 DBP Monitoring Locations TTHMs & HAA5s Results Step 4 Plot IDSE Candidate Sites Plot Water System Features Plot Candidate Sites Also Plot Stage 1 Sites

  5. Step 4 Plot IDSE Candidate Sites Plot Water System Features Plot Candidate Sites Also Plot Stage 1 Sites Step 5 Select IDSE Monitoring Sites Today’s TrainingStage 2 D/DBP Rule Copy for your files FRWA Mails to EPA Step 6 Complete IDSE Form Original to FRWA

  6. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Objectives for TodayStage 2 D/DBP Rule • Complete your IDSE Form • Complete your IDSE System Map • Give Originals to FRWA • FRWA will send them to EPA • Keep a copy for your files

  7. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Possible EPA FinesStage 2 D/DBP Rule • Failure to conduct IDSE is a violation of Stage 2 Rule • EPA Fines for non-compliance are up to $32,500 per day!

  8. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Under 500 Population?Very Small System Waiver • If you serve under 500 population – please move quietly to the registration area for FRWA Assistance • We’ll provide you with the Very Small System (VSS) Waiver, if needed… • Completely fill out the VSS Waiver • Make a copy before you go • We’ll send to EPA for you

  9. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I 40 / 30 Certification? Stage 2 D/DBP Rule • If you currently are on reduced monitoring for DBPs (every 3 years) and have brought your DBP sampling results today • You are eligible for the 40 / 30 Certification • Please move quietly to the registration area for FRWA Assistance • We’ll provide you with the 40 / 30 Certification • Completely fill the out the paperwork • Make a copy of your sampling results and certification before you go • We’ll send to EPA for you

  10. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Surface Water, UDI, Consecutive or Wholesale? Stage 2 D/DBP Rule If you are a . . . • Surface Water Water System • UDI Water System • Consecutive Water System • Wholesale Water System • FRWA Circuit Riders will provide separate one-on-one technical assistance to complete the IDSE

  11. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I NTNC or TNC? Stage 2 D/DBP Rule • Non-Transient Non-Community Water Systems (NTNC) under 10,000 population • No Requirements until October 2013 • Transient Non-Community Water System (TNC) • Exempt

  12. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Stage 2 D/DBP Rulemore information on EPA’s Website • Guidance Manual 434 pages • Guidance for Systems Under 10,000 Population Over 126 pages 126 pages 434 pages

  13. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Changes under Stage 2 Stage 2 D/DBP Rule • Initial Distribution System Evaluations (IDSE) • One year of testing to identify other compliance monitoring locations with high Disinfection By-Products (DBPs) • System Evaluation to Find Actual Hot Spots ~ TTHMs & HAA5s • Compliance based on Locational Running Annual Averages (LRAAs) • No more system wide averaging after Oct 2013

  14. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Changes under Stage 2 Stage 2 D/DBP Rule • Consecutive Systems will now be regulated for DBPs • NTNC Systems now regulated for DBPs • Stage 1 Compliance Monitoring Continues until October 2013

  15. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I New under Stage 2 Stage 2 D/DBP Rule • Initial Distribution System Evaluations (IDSE) • Submit IDSE Monitoring Plans by April 1, 2008 • Perform Sampling from Apr 2009 to Mar 2010 • Submit IDSE Report by July 1, 2010 • Stage 2 DBPR Compliance Monitoring (IDSE) • Begins October 1, 2013 • LRAA Compliance Calculations • Don’t Stop Stage 1 Compliance Monitoring!

  16. U R R A L A D W EPA Reviews I Submission A R IDSE T O IDSE IDSE E L REPORT PLAN DUE F DUE R JUL 1st APR 1st 2010 2008 2008 2009 2010 12-Month IDSE Test Period 12-Months for EPA 3-Months FRWA A N S O S I O T A C I Schedule 4 IDSE Timeline

  17. U R R A L A D W I EPA IDSE A R 2012 2013 2014 Stage 2 T O Compliance Install Treatment IDSE IDSE E L PLAN REPORT Oct 1, 2013 F R Stage 1 Compliance Monitoring 2008 2009 2010 FRWA A N S O S I O T A C I Schedule 4 Timeline • Stage 1 Compliance Monitoring to Oct 2013 • After you submit the IDSE Report you’ll have over two years to get ready for Stage 2 Compliance Monitoring and add any treatment needed.

  18. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Schedule 4 Systems • About 500 systems between 9,999 and 500 population • About 1,000 systems under 500 population (automatic VSS waiver)

  19. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I What’s an IDSE?Initial Distribution System Evaluation • IDSEs are one time studies . . . intended to select newcompliance monitoring sites for Stage 2 that more accurately reflect sites representing High TTHM and HAA5 levels.

  20. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSERequirementsStage 2 D/DBP Rule • You Must Submit IDSE to EPA • We’ll help you complete your IDSE today • You Must Conduct IDSE testing • You Must Submit Final IDSE Report to EPA • IDSE results NOT for compliance purposes • However, IDSE results are included with the DBP ranges as reported in your CCRs

  21. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I What you need for your IDSE… • Street Map of your Water System • Map showing Stage 1 DBP Compliance Monitoring Locations • Recent TTHMs & HAA5s Results

  22. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I All You Have to Do… • Complete the IDSE Standard Monitoring Plan, attach the IDSE Map & simply mail it to EPA

  23. Top of Page 1 Dec 4, 2007 1330478 City of Monticello Water System 245 South Mulberry Street 32344 Monticello 5,944

  24. Bottom of Page 1 4 Ms. Julie S. Conley Mayor (850) 997-2217 (850) 342-0154 comcityclerk@earthlink.net

  25. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSE Standard Monitoring Plan • Get Your Maps Out & Ready • Draw the Water System Service Area • Outline the areas where you have water lines

  26. U R R A L A D W I A R T O E L Water System Service Area F R Scale (miles) 1 0 1/2 1/4 3/4 FRWA A N S O S I O T A C I N Outline Water System Service Area

  27. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSE Standard Monitoring Plan • Get Your Maps Out & Ready • Draw the Water System Service Area • Outline the areas where you have water lines • Draw a Circle with an “X” at each well • Label each Well #1, Well #2, etc. WELL-1

  28. U R R A Well #1 & Elevated Tank Well #4 & Elevated Tank L A D W I Wells #2, #3 & Elevated Tank A R T O E L Water System Service Area F R Scale (miles) 1 0 1/2 1/4 3/4 FRWA A N S O S I O T A C I N Show Well Locations Wells, Tanks & Treatment Locations

  29. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSE Standard Monitoring Plan • Get Your Maps Out & Ready • Draw the Water System Service Area • Outline the areas where you have water lines • Draw a Circle with an “X” at each well site • Label each Well #1, Well #2, etc. • Draw a Square at each Treatment Plant • Label each WTP #1, etc. • If these are at different locations than wells • Draw a Circle at each Storage Tank • Label each Tank #1, Tank #2, etc. • If these are at different locations WTP-1 TANK-1

  30. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSE Standard Monitoring Plan • Show at each High Service Pump Station that are not part of a Plant or Tank • Label each HSP #1, HSP #2, etc. • Show each Emergency Interconnections • Label • Show any Pressure Zone Boundaries • Only for systems with elevation differences and pressure reducing stations HSP-1 EMERGENCY INTERCONNECT PRESSURE ZONE

  31. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSE Standard Monitoring Plan • Draw a Diamond at each Stage 1 DBPs Compliance Monitoring Location • Label each DBP #1, DBP #2, etc. DBP-1 • Draw a Circle at each Standard Monitoring Location • Chlorine Residual • Bacteriological Sample Points SMP

  32. U R R A Well #4 & Elevated Tank Well #1 & Elevated Tank L A D W I Wells #2 & 3 & Elevated Tank DBP-1 A R T O E L Water System Service Area F R Scale (miles) 1 0 1/2 1/4 3/4 DBP-2 DBP-3 FRWA SMP SMP A N S O S I O T A C I N Show Stage 1 DBP Monitoring Sites Wells, Tanks & Treatment Locations Stage 1 Compliance Monitoring Sites

  33. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I IDSE Standard Monitoring Plan • Consider Sites for IDSE Monitoring for HIGH TTHMs & HAA5s Q. How do I pick these sites? A. Go to the page 2 of the IDSE Form

  34. U U R R R R A A L L A A D D W W DBP-3 I I A A R R T T O O DBP-1 E E L L Water System Service Area F F R R Scale (miles) 1 0 1/2 1/4 3/4 Wells, Tanks & Treatment Locations Stage 1 Compliance Monitoring Sites Possible IDSE Sites IDSE Sites – High TTHMs & High HAA5s DBP-2 FRWA FRWA SMP SMP A A N N S S O O S S I I O O T T A A C C I I N Possible IDSE Sites Well #1 & Elevated Tank Wells #2 & 3 & Elevated Tank Well #4 & Elevated Tank

  35. ü ü ü ü ü ü ü ü ü ü Top of Page 2

  36. ü ü Bottom of Page 2 ü ü ü ü ü We used our experience and knowledge of key water system personnel for valuable insights of distribution system operations, problem areas, and configuration during the site selection process.

  37. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Criteria for Picking IDSE Sites Candidate Sites should be . . . • NOT the Same or Near Stage 1 DBPs Monitoring Locations • Geographically Spread Out • Look for areas not sampled for DBPs • Hydraulically Diverse (Varied) • Look for areas of low flow • Look for areas of high usage • Look for areas of poor water quality

  38. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Criteria for Picking Possible High TTHMs Sites • Old Water = High TTHMs • Longest Detention Times • Dead-Ends • Areas of Low Pressure • Low Chlorine Residual Zones • Areas around Storage Tanks (no well) • Low Water Usage Areas • Areas of potential biological activity and customer complaints

  39. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Factors Effecting DBP Formation Time Temperature pH Organics Chlorine DBPs

  40. Factors Effecting DBP Formation

  41. 80 20 40 60 120 100 40 50 20 30 THM Concentration vs. Contact Time Trichloromethane = CHLOROFORM Bromodichloromethane THM Concentration (ppb) Dibromochloromethane Tribromomethane = BROMOFORM 0 10 Contact Time (hrs)

  42. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Storage Tank Turnover • Decrease Water Age = Younger is Better • Operation & Maintenance • Baffling / Mixing is Good • Inlet & Outlet / Baffling • Continuously Full Not Good • Turnover every 48 to 72 hours • Cleaning & Flushing

  43. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I DBP Formation in Distribution Systems • Water Age & Chlorine • Storage Turnover • Remote Storage • Dead-End Lines • Biofilm Regrowth • Aggressive Flushing & Cleaning • Consider Remote Chlorine Boosters • Looping

  44. 1 5 4 11 9 8 2 7 10 12 6 2 3 2 8 13 Existing Water Main Build Your Own AUTOMATIC FLUSHING VALVE Under $300 each • Utility Grade Flushing Valves are available for purchase from: • Larry J Ruffin & Associates - 407-999-5061 • Kupferle Foundry Company, Dan McKeague - 800-231-3990

  45. U U R R R R A A L L A A D D W W DBP-3 I I A A R R T T O O DBP-1 E E L L Water System Service Area F F R R Scale (miles) 1 0 1/2 1/4 3/4 Wells, Tanks & Treatment Locations Stage 1 Compliance Monitoring Sites Possible IDSE Sites IDSE Sites – High TTHMs & High HAA5s DBP-2 FRWA FRWA A A N N S S O O S S I I O O T T A A C C I I N Possible High TTHMs Sites Well #1 & Elevated Tank Wells #2 & 3 & Elevated Tank Well #4 & Elevated Tank

  46. U R R A L A D W I A R T O E L F R FRWA A N S O S I O T A C I Criteria for Picking Possible High HAA5s Sites • Areas Between High TTHMs & Average Water Age • Areas Approaching Perimeter of System, but not on the perimeter • Areas with satisfactory (but lower than average) Pressure & Chlorine Residuals • Areas with NO potential biological activity

  47. U U R R R R A A L L A A D D W W DBP-3 I I A A R R T T O O DBP-1 E E L L Water System Service Area F F R R Scale (miles) 1 0 1/2 1/4 3/4 Wells, Tanks & Treatment Locations Stage 1 Compliance Monitoring Sites Possible IDSE Sites IDSE Sites – High TTHMs & High HAA5s DBP-2 FRWA FRWA A A N N S S O O S S I I O O T T A A C C I I N Possible High HAA5s Sites Well #1 & Elevated Tank Wells #2 & 3 & Elevated Tank Well #4 & Elevated Tank

  48. ü ü Bottom of Page 2 ü ü ü ü ü We used our experience and knowledge of key water system personnel for valuable insights of distribution system operations, problem areas, and configuration during the site selection process.

  49. Top of Page 3 ü ü ü ü ü ü ü ü ü

  50. U U R R R R A A L L A A D D W W DBP-3 I I A A R R T T O O DBP-1 E E L L Water System Service Area F F R R Scale (miles) 1 0 1/2 1/4 3/4 Wells, Tanks & Treatment Locations Stage 1 Compliance Monitoring Sites Possible IDSE Sites IDSE Sites – High TTHMs & High HAA5s DBP-2 FRWA FRWA SMP SMP A A N N S S O O S S I I O O T T A A C C I I N ALL Possible IDSE Sites Well #1 & Elevated Tank Wells #2 & 3 & Elevated Tank Well #4 & Elevated Tank

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