Apartment · STP Solutions

STP for Apartments

Packaged sewage treatment plants for gated communities — achieve KSPCB compliance and reuse treated water for flushing and landscaping.

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STP Solutions for Apartments

Packaged sewage treatment for gated communities — KSPCB compliance, water reuse, and lower tanker dependency.

Water scarcity and sewage discharge regulations make sewage treatment non-negotiable for apartment communities in Bengaluru, Hyderabad, Pune, and Chennai. New projects require STP for occupancy certificates; older communities face KSPCB enforcement notices. BIOPOWER supplies packaged MBBR and SBR sewage treatment plants sized for 10 KLD to 500 KLD — designed to fit basement and utility spaces common in Indian gated communities.

Treated effluent from a properly operated STP replaces freshwater for toilet flushing, landscaping irrigation, and car wash bays. In Bengaluru, where borewells fail and tanker costs exceed ₹1,200 per load, STP reuse delivers rapid ROI. A 400-flat community reusing 80 KLD saves lakhs annually on municipal and tanker water purchases.

Technology selection depends on space, effluent standards, and operator capability. MBBR plants offer compact footprint and stable performance with minimal operator intervention — ideal for RWAs without dedicated wastewater engineers. SBR systems suit variable load patterns in communities with seasonal occupancy swings.

BIOPOWER handles design, supply, installation, commissioning, and operator training. We provide lab testing schedules, KSPCB documentation support, and annual maintenance contracts. Retrofit projects receive special attention — minimising disruption to residents during basement civil modifications.

Beyond compliance, STP reuse is increasingly a buyer expectation. Property listings highlight "STP with reuse" as a premium feature. RWAs investing now avoid emergency retrofit costs and regulatory penalties later.

STP Options for Apartments

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MBBR Packaged STP

Compact moving-bed biofilm reactors — stable performance, small footprint, low operator skill requirement.

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SBR Systems

Sequential batch reactors handle variable diurnal load — suited for communities with occupancy fluctuations.

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Tertiary Reuse

Filtration and disinfection upgrade treated water for flushing and gardening applications.

Apartment STP Sizing

FlatsEst. Sewage (KLD)STP Package
100 – 15025 – 4025 – 50 KLD MBBR
200 – 35050 – 9060 – 100 KLD MBBR/SBR
400 – 600100 – 180120 – 200 KLD modular
Township 800+200 – 400+250 – 500 KLD custom

Apartment STP Benefits

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KSPCB Compliance

Meet consent conditions and occupancy certificate STP requirements.

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Water Reuse

Flush toilets and irrigate gardens with treated water — cut tanker bills.

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Lake Protection

Stop untreated sewage from entering storm drains and water bodies.

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Property Value

STP with reuse is a premium feature for buyers and tenants.

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AMC Available

BIOPOWER annual maintenance keeps plants within discharge norms.

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IoT Monitoring

Optional remote monitoring of critical parameters for proactive maintenance.

Frequently Asked Questions

Is STP mandatory for new apartments in Karnataka?
Yes. Occupancy certificates typically require functional STP for projects above specified thresholds. Existing communities facing KSPCB notices also need retrofit STP solutions.
Can STP water flush toilets in apartments?
Treated water meeting BIS/KSPCB reuse standards is widely used for toilet flushing and landscaping — reducing freshwater demand 30–40%.
What STP size for a 300-flat community?
Assuming 135 litres per capita per day and 4 occupants per flat average, a 300-flat community needs roughly 80–120 KLD STP. Exact sizing depends on occupancy and reuse goals.
How much space does an apartment STP need?
Packaged MBBR/SBR plants fit in 40–100 sq.m basement areas. We design for minimum headroom and access for maintenance.
What is STP operating cost for RWAs?
Electricity, chemicals, and sludge handling typically cost ₹8–15 per kilolitre treated. Reuse savings on tanker water often exceed O&M cost in water-scarce cities.

Request Apartment STP Consultation

Share flat count, water sources, and basement space — we will propose STP technology and reuse plan.

Request a Free Site Assessment View STP Solutions

What Our Clients Say

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"I would like to take this opportunity to thank team Biopower for the wonderful help and support which we have received during assessment of kitchen waste at site, location survey and successful implementation of the Biogas project at Tata Steel Guest house at Jamshedpur. Throughout this project, your conduct was phenomenal. Based on this, we have offered you a Purchase Order for 11 Biogas units to be installed at different locations. The product and service offered by you is being highly appreciated by top officials of our organisation."

JUSCO
Gaurav Anand Senior Manager, Quality Assurance Cell
JUSCO – A Tata Enterprise
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"We are proud to share that Timber Tales Resorts has taken a significant step toward sustainability by partnering with BPG Renewables Pvt Ltd during the 2024–2025 financial year. We have successfully installed a Biopower Biogas Plant (150 kg), WonderBin Composter (100 kg), and WonderBin Incinerator at our resort in Madikeri. These solutions have enhanced our waste management system and aligned perfectly with our goal of promoting responsible tourism. We sincerely thank BPG Renewables for their professional approach, seamless execution, and innovative technology."

Timber Tales
Ms Rathi Purchase Manager
Timber Tales Resorts, Coorg
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"Biopower has installed a 25 cum biogas plant at the Reserve Bank of India Thiruvananthapuram office. The plant is working successfully and the service by the team is up to the mark."

RBI
Mohammed Sajid PK Assistant General Manager
Reserve Bank of India, Thiruvananthapuram
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"We have installed Synod Bioscience (Biopower) biogas plants (100 kg, 2 units) inside our campus. Seeing the performance, a 250 kg unit has been installed inside the main canteen. The plant is running successfully."

ISRO
Mr Rahman CMG – IPRC (ISRO)