STP, WTP and ETP contractor — sewage, water and effluent treatment plants with pollution-board compliance
Sewage, water and effluent treatment plants — process design, equipment and integration for reuse and statutory discharge norms.
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STP / WTP / ETP by Secured Engineers Pvt. Ltd.
Secured Engineers Pvt. Ltd. — an ISO 9001:2015-certified MEPF and solar EPC contractor with offices in Ludhiana, Punjab and Noida (Delhi NCR) — provides STP / WTP / ETP as part of its Plumbing scope: Sewage, water and effluent treatment plants — process design, equipment and integration for reuse and statutory discharge norms. 535+ projects across 18+ Indian states.
Enquiries: +91 70099 85817 · sales@securedengineers.com · request a project proposal
What this system decides for your project
Treatment plants are mandatory for occupancy and pollution-board clearance, and treated water reused for flushing/landscape sharply cuts fresh-water cost.
You need a quote for this if: Townships, hospitals, hotels and factories needing treatment & reuse.
Scope of work
The plant is designed from the influent — its flow, daily pattern and characteristics — and from where the treated water is going: flushing and landscape reuse, cooling-tower make-up, or discharge to the norms in the pollution-board consent. Process selection (MBBR, MBR, SBR, or a physico-chemical train for effluent) follows from that, then the tank sizing, the equipment — blowers, pumps, screens, clarifiers, filters, disinfection — and the PLC automation. We design the process, supply and install the equipment and pipework into the civil structure, and integrate the treated-water line into the building's dual plumbing.
How it is delivered — and what you receive
The plant is commissioned through seeding and stabilisation, with the treated-water quality tested against the consent parameters before reuse or discharge begins. Consent to establish is obtained before construction and consent to operate after commissioning, with the test results filed. The client receives the process design basis, the equipment list, the PLC logic, the commissioning results and the operating procedure the plant operator will follow.
Sources and standards
- IS 1172 (1993 (reaffirmed)) — IS 1172 — Code of Basic Requirements for Water Supply, Drainage and Sanitation. Bureau of Indian Standards. Publisher.Per-capita water requirements and sanitary provisions by building type.
- NBC 2016 Part 9 (2016) — National Building Code of India 2016, Part 9 — Plumbing Services. Bureau of Indian Standards. Publisher.Water supply, drainage and sanitation, and the per-capita demand basis.
Standards are cited to support the technical statements on this page. Where a standard has been revised, the edition shown is the one verified at the time of review; the edition in force for a project is the one the authority applies.
Before you ask us to quote: the Plumbing buyer's guide lists what to have ready, what drives cost and timeline, and the approvals that usually apply.
Hiring a stp / wtp / etp contractor — what to check
Treatment plants are the one utility where the regulator writes your specification. The State Pollution Control Board's consent conditions define the required outlet quality, and the plant is engineered backwards from that. A vendor who quotes a capacity before reading your consent is quoting a box.
- Design from the consent, not the catalogue. The discharge or reuse standard your consent sets, the load it must meet, and the variation in that load across a working day. Capacity in KLD alone is not a specification.
- Whether the outlet is discharge or reuse. Reuse to cooling towers, flushing or landscape changes the treatment train and usually the tertiary stage. Decide it before the plant is sized, not after.
- Monitoring obligations. Where continuous monitoring applies to your category, the provision for it is part of the plant, not an afterthought retrofitted at inspection.
- Sludge, and who deals with it. Sludge handling and disposal is the part every low bid leaves out and every operator discovers in month two. Get it in the scope.
- The plumbing interface. Someone has to own the line between the building drainage and the plant inlet. Where the plumbing and the plant are two contracts, that joint is where accountability disappears.
Makes we specify for STP / WTP / ETP
Tier-1 manufacturers whose equipment we design around and install. The specification names the make; the site is held to it.
Related to STP / WTP / ETP
The terms behind it
Run the numbers
Read before you specify
- The STP Meets Its Rated Capacity. It Still Cannot Handle a Shift Change.
- The Borewell You Drilled in 2009 Now Needs a Licence. And a Meter. And a Fee.
- Your STP Was Compliant Last Year. ZLD Is Reaching More Categories Every Year.
- ZLD and Greywater Get the Attention. Backflow Prevention Gets the Rejection Letter.
Need STP / WTP / ETP for your project?
Get a free consultation and quote. We design, take all approvals, and execute — you stay stress-free.