The standard contract is for 10 years and includes a requirement that the grower purchase a minimum amount of purification services every year.
Yes it can, depending on the well chemistry and crop requirements. For example, high boron, iron, silt, or manganese wells require additional pretreatment upstream of the reverse osmosis membranes. High TDS inlets and stringent crop (or exchange) TDS requirements also will affect pricing. In any case, a long-term price will be determined up front and honored over the lifetime of the contract as long as the water impurities stay within a given tolerance.
It’s permissible to turn the system off for a few months as long as the annual commitments are met. Most growers throttle down in the winter months and then ramp up to the maximum flows in spring and early summer, attaining an average flow that satisfies the minimum purchase requirement.
The system is designed for an average flow of 750 gpm, 1200 gpm maximum of purified water. Because there is a brine stream of approximately 10-20%, the inlet flows will be higher by these amounts.
Although variable frequency drives are beneficial and provide an additional level of control, they are not required for our system to function. Wells with capacity beyond 1400 gpm will require a bypass.
No, our technology was not designed for this. Our purification service is designed exclusively for mildly salty well water with naturally occurring contaminants.
Yes, although there is a cost associated with pretreatment to do this.
While we do remove nitrates from the water, our service is geared only toward agricultural applications. Drinking water requirements and certification are beyond our scope at this point in time.
The TDS level can be tuned to meet the grower’s needs. For almonds, it can be 600 ppm. For pistachios, 800 ppm. If the grower wants it more stringent yet, that is also possible. Reverse osmosis creates water that is < 50 ppm which we then blend with the feed water to create the desired output specification.
The purification system comes in a 40’ shipping container. There may be a single container or two of them, depending on the pretreatment requirements. We may also utilize some external tanks which are housed behind a secure fence.
Please contact us below to discuss various strategies for disposing of the salty brine.
Water Assurance Partners is responsible for delivering, installing and commissioning the system. After signing a contract, we will:
The owner is responsible for disposal of the brine stream. WAP can provide guidance.
Remote monitoring (typically via cellular network) allows us to confirm the
Absolutely. We are solar fans and can help you with this if you have not yet installed solar on your property.