Water treatment sizing calculator — filtration, UV & RO
Estimate peak flow, filter train, UV reactor duty and RO membrane count for agricultural irrigation, greenhouse feedwater, hydroponic systems, nurseries and packhouse process water. Generate a prefilled RFQ with the calculated parameters.
How do you size irrigation water treatment?
Treatment sizing starts from peak flow and raw-water quality (suspended solids, iron, hardness, pathogens), then selects filtration, dosing and disinfection capacity, giving CAPEX and cost per m³ treated.
- Sizing is driven by peak m³/h, not average daily volume.
- Sand/disc filtration is standard ahead of drip; screen alone is rarely enough.
- UV and chlorination are sized to flow and transmissivity, not to reservoir size.
- Cost per m³ treated is the comparable metric across technologies.
Indicative only
- This tool is indicative only.
- It is not financial advice.
- It is not agronomic advice.
- It is not engineering design.
- Final numbers require supplier, agronomist, engineer and local regulatory review.
SeedMatch Group is an independent agricultural project sourcing and RFQ platform. We are not a farm, seed producer, fertilizer manufacturer, irrigation manufacturer, greenhouse builder, EPC contractor, lender or financial advisor. Supplier and project partner outreach is handled only after a commercial project brief is reviewed.
Supplier and manufacturer content is provided for research, transparency and discovery only. Buyers submit one project or RFQ to SeedMatch Group; our team validates and organises it, manages any suitable supplier or manufacturer outreach, and presents the responses through SeedMatch. There is no public directory of company identities, automatic matching, direct messaging or direct buyer-supplier contact.
Turning this estimate into a request? The irrigation and fertigation request builder lists what changes a quote — system type, filtration, dosing and drain-water scope — and opens a pre-filled request that our team reviews before any supplier is contacted.
Inputs
Sizing results
Generate prefilled RFQNeed to define the full treatment train first? Read the agricultural water treatment guide.
Feeding a drip system? What is drip irrigation covers emitter clogging risk and the filtration a dripline needs.
- Daily demand
- 800 m³/d
- Average flow
- 100.0 m³/h
- Peak flow
- 120.0 m³/h
Filtration
- Recommended train
- Sand + disc
- Sand media area
- 2.40 m²
- Sand vessels (48")
- 3
- Disc / screen units (3")
- 3 @ 130 µm
UV disinfection
- Target dose
- 40 mJ/cm²
- UVT
- 85%
- Electrical demand
- 4.11 kW
- Medium-pressure reactors
- 2
First-pass sizing screener. Final selection requires a full feedwater analysis and a validated manufacturer projection. SeedMatchGroup pairs your output with a normalised RFQ to qualified global suppliers — supplier identities and datasheets are shared through the private sourcing flow.
Frequently asked questions
- What does this water treatment calculator estimate?
- Peak system flow (m³/h), filtration duty and typical filter selection (sand/disc/screen), UV reactor sizing based on required dose and UV transmittance (UVT), and RO permeate/feed flow with an indicative membrane count. All fields remain editable.
- Which agricultural applications is it suitable for?
- Open-field drip irrigation, greenhouse and hydroponic feedwater, nursery and propagation facilities, fertigation head-works, and cold-storage or packhouse process water pre-treatment.
- How is UV reactor sizing estimated?
- Required dose (mJ/cm²) is combined with a UVT-based transmittance factor to derive an indicative electrical demand per m³/h; total lamp power scales linearly with flow. Final selection depends on validated reactor curves from qualified manufacturers.
- How is RO membrane count derived?
- Feed flow = permeate flow ÷ recovery. Membrane count = permeate flow ÷ per-element permeate rate (typical 0.5–1.2 m³/h for 8-inch BW elements). The tool is a first-pass screening — full projection requires feedwater analysis and a manufacturer projection program.
- Is this a bankable engineering study?
- No. It is an early-stage sizing screener. For tenders, financing, or EPC contracts, SeedMatchGroup pairs the output with a full engineering package and normalised RFQ to qualified global suppliers.
Illustrative project summary
1 ha multi-span tomato house
A new commercial entrant builds a first multi-span block with fertigation, insect screens and a basic climate computer.
1 ha · Multi-span polyhouse · Tomatoes
Indicative full greenhouse project CAPEX
USD 575K – USD 1.56M
Illustration only, not a real project or quotation. This is the structure, equipment and site-works budget for the example greenhouse, not the price of this calculator’s individual system, seeds or inputs, and not a result calculated from your entries. Excludes land, permits, packhouse, financing costs and working capital.
Based on the published commercial greenhouse cost benchmark. Written offers require a private project review; commercial projects start from USD 250K.