RAINFALL CATCHMENT SUBMITTAL REQUIREMENTS
1. The applicant shall submit rainfall catchment plans for review to the ACC.
2. The rainfall catchment plan must be meet local city, county and state building laws and codes.
The homeowner will obtain a building permit when required by local ordinances.
3. The rainfall catchment plan shall be drawn to scale and accurately depict the following
information:
A. A list of all commercial materials that will be included in this proposed catchment plan that include: catchment cisterns, gutter connections, leaf guards, dust catchment filter devices, filter baskets or socks, conveyance piping, overflow piping, sterilization equipment, mosquito abatement covers, electrical pumping systems and all component connections
B. Lot placement(s) of the cistern system(s) at the home must be specified in the submitted plan.
C. Cisterns must be of durable plastic, fiberglas, durable concrete or non-corrosive metal. Lead or corrosive soldering and welding of all components is prohibited
D. Cistern base footings must durable and strong enough to maintain the full weight of all water in the rainfall catchment and cisterns in all climatic or storm rainfall conditions. Bases must be constructed so as not to permit rodent infestations.
E. Cisterns located above ground must be secured and covered. Underground cisterns that require construction permits by local authorities must meet all meet city, county and state requirements.
F. The catchment system must blend in with the color and exterior of the home.
G. The size of the above ground catchment cistern system will not be more than five feet in height and less than three feet in diameter. Multiple cisterns at one lot location must be interconnected by gravity.
H.. If multiple cistern locations are located on a lot, they must included be in the submitted plan
I. All cisterns and/or components must be shielded from view from the street and HOA common areas.
J. Cistern pump piping or drainage connections to turf irrigation systems, gardens and/or xerescapic lot areas must be detailed. The areas of the homeowner lot to receive cistern water must be specified.
K. All rainfall overflow and flushing equipment must be part of the rainfall catchment cistern basins. Cistern overflow and flushing must not interfere, cause damage or interfere with rainfall storm drainage to neighboring lots or HOA common areas.
L. Homeowner air conditioning water condensate connections to the rainfall catchment-cistern system must be detailed in the submitted plan.
M. If cistern water is to be used as potable water, all treatment procedures and sterilization equipment are to be specified in the submitted plan; and, must meet all local city, county and state treatment water treatment codes and included in the submitted plan. If this treated water is to be pumped through solar roof water heaters, this must be included in the submitted plans.
4. Non-approved cistern components not listed in the submitted rainfall catchment plan approved by the ACC must be removed within 30 days after written notification.
5. The start and completion project dates must be detailed in the approved ACC plan.
MAINTENANCE OF RATNFALL CATCHMENT SYSTEM
1. Recommended construction, operation, maintenance and rainfall catchment guidelines to maintain homeowner rainfall catchment cistern systems are published by the Texas Water Development Board in THE TEXAS MANUAL ON RAINWATER HARVESTING.
2. All rainfall catchment-cistern system components must be secured to withstand storm or high wind damage.