Rain Water Harvesting: Applications and Maintenance Course


As pressure mounts on domestic water supplies and stormwater runoff from impervious surfaces becomes more of a problem, rain water harvesting can lessen pressure on water supplies and reduce stormwater runoff. Rain water harvesting has been used for centuries. In ancient Rome and Byzantium water was stored in huge underground cisterns to help walled citied withstand sieges. In climates with alternating wet and dry seasons water can be stored in cisterns to provide supply in the dry season. Rainwater harvesting can provide economical irrigation water as well as non-potable water for domestic toilet flushing, clothes washing, and car washing if plumbing codes allow.

  1. Recognize the difference between cisterns and rain barrels, identify riparian rights and recognize when they apply, summarize common cistern problems, distinguish between single purpose and dual purpose cisterns
  2. List water potential water harvesting applications, assess benefits of novel applications, summarize benefits of harvesting and storing rain water
  3. Describe different RWH components, explain functions, contrast uses of components
  4. List potential catchments for RWH, interpret catchment management outcomes on water quality, recommend management of different catchments to optimize water reuse
  5. Summarize potential water quality problems with RWH, recognize RWH maintenance triggers, describe actions to remedy problems.


 IECA is an Authorized Provider of IACET CEU credit. This course offers 0.1 IACET CEU Credit. Learners must achieve an average test score of at least 70% to meet the minimum successful completion requirement and qualify to receive IACET CEU credit. Learners will have three attempts at all graded assessments.

William LordInstructor

Bill Lord is an Area Environmental Agent with North Carolina State University Extension. Mr. Lord received a BS degree in Horticulture and an MS degree in Entomology from NC State University. A 30-year veteran of North Carolina Cooperative Extension, Mr. Lord has experience in stormwater runoff, nutrient and pesticide management, and landscape management. He developed the very successful BMP Inspection and Maintenance certification program in North Carolina that has certified over 3000 people from North Carolina and across the United States. He has supervised the construction and maintenance of many stormwater practices including stormwater wetlands, wet ponds, floating wetland islands, permeable pavement, and bioretention areas. He also pioneered research on mosquito populations in stormwater facilities across North Carolina. Mr. Lord regularly conducts workshops on stormwater management practice construction and inspection and maintenance throughout North Carolina and the United States.

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