A packaged drinking water (PDW) plant looks clean: water in, bottles out. But it still produces wastewater (RO reject and washing water), runs a DG set, and generates plastic and packaging waste. That is why the State Pollution Control Board must give it two consents under the Water (Prevention and Control of Pollution) Act, 1974 and the Air (Prevention and Control of Pollution) Act, 1981.
| Consent | Full form | When you need it |
|---|---|---|
| CTE | Consent to Establish | Before any civil work or machinery installation |
| CTO | Consent to Operate | After the plant is installed, before the first production run |
If you only want the basics of what CTE and CTO mean, read our CTE and CTO full form guide. This article is specific to water plants.
Step 1: Know your category before you file
Each State Board places industries in Red, Orange, Green or White categories, based on the Central Pollution Control Board's categorisation, and publishes its own list. The category decides the consent fee, how long the consent is valid, and how closely the Board inspects you.
Do not assume your category from another state or an old list. The same packaged water plant can be treated differently depending on the state, the process (for example, whether you also make carbonated drinks or juice in the same unit) and the scale. Check your Board's current list before you prepare the file.
Step 2: Consent to Establish (CTE)
Apply before you start construction or install machinery. Building first and applying later is the most expensive mistake a new plant can make: it can lead to closure directions and penalties, and every later approval becomes harder.
Documents usually asked for
- Project report: process flow, production capacity (litres or cases per day), raw materials and capital investment
- Site plan, layout plan and location map, with distance to the nearest drain or disposal point
- Land documents: ownership or lease, and land-use or industrial conversion where required
- Water balance: source, daily consumption, RO reject quantity and how it will be reused or disposed of
- Groundwater NOC from CGWA or the state authority, or proof of application (see our CGWA NOC guide for water plants)
- DG set details (capacity, stack height, acoustic enclosure) and boiler details, if any
- Solid and plastic waste arrangements, and a CA certificate of capital investment (most Boards link the fee to it)
CTE is generally valid for five years. If construction is not finished in that time, apply for extension before it lapses.
Step 3: Plan your RO reject water properly
For water plants this is the question Boards ask most. An RO system rejects a significant share of the water it treats. Your application must show exactly where that water goes. Common answers are reuse for bottle and crate washing, floor cleaning, toilet flushing or gardening, and discharge to a drain or sewer only where the Board allows it.
Give real numbers that match your water balance and your groundwater NOC. A water balance that does not add up is one of the most common reasons for queries.
Step 4: Consent to Operate (CTO)
Once the plant, RO system, reject-water arrangement and DG set are installed, apply for CTO. Production must not start before CTO is granted. The Board may inspect the unit and check that it matches what you declared in the CTE.
- Copy of CTE and a point-by-point compliance report on its conditions
- Proof that the reject-water and waste arrangements are in place
- Flow meter details for the borewell, and the groundwater NOC
- DG set stack and acoustic enclosure as approved
- Updated capacity and investment, if anything changed after CTE
Applying online
Most State Boards now take consent applications only online. In Madhya Pradesh, MPPCB uses its XGN portal; in Uttar Pradesh, applications go through the Nivesh Mitra single-window system. Other states have their own portals. Keep the same capacity, investment and water figures across every portal, because Boards and other departments do cross-check them.
After CTO: keeping the consent alive
- Renewal. CTO is issued for a fixed period that depends on your state and category. Apply for renewal well before it expires; running on an expired consent is treated as running without consent.
- Environmental statement. Units holding consent must file an annual environmental statement (Form V under the Environment (Protection) Rules, 1986) by 30 September each year.
- Capacity expansion. Increasing production, adding a new line or a new product needs fresh or amended consent before you expand, not after. This is common when a plant moves to a bigger brand contract.
- Records. Keep RO reject, water consumption and DG running records; inspectors ask for them.
Common mistakes we see
- Starting civil work before CTE
- Different capacity figures in the CTE, groundwater NOC and FSSAI applications
- No real plan for RO reject water
- Expanding capacity on the old consent
- Missing the CTO renewal date or the 30 September environmental statement
How ClearPath Compliance India can help
We have run packaged drinking water plants and handled pollution board consents first-hand, including query replies on state portals. We check your category, prepare the water balance and RO reject plan, file CTE and CTO, reply to queries and track renewals. See our CTE and CTO service and the complete licence checklist for a packaged drinking water plant.
Frequently asked questions
Does a packaged drinking water plant need CTE and CTO?
Yes. A packaged drinking water plant produces RO reject water and other waste and usually runs a DG set, so it needs Consent to Establish before construction and Consent to Operate before production from the State Pollution Control Board.
Which comes first, CTE or CGWA NOC?
They are usually applied for together before construction. Many Boards ask for the groundwater NOC, or proof that you have applied for it, along with the CTE application.
How long is CTE valid?
CTE is generally valid for five years. CTO validity depends on your state and industry category.
Do I need new consent to increase capacity?
Yes. Expanding production, adding a line or a new product needs fresh or amended consent before the expansion.
General information only, not legal advice. Requirements, categories, fees and validity differ by state and are revised from time to time; check your State Pollution Control Board's current rules before acting. We confirm the current position for your plant before filing.