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IS 5523 : 2019Sewage Treatment — Guide for Selection of Treatment Type

Q: Best STP technology for India?

SBR for medium/large (>5 MLD), MBBR for smaller/retrofit. Oxidation ponds only where land is cheap.

PDF Google Compare BIS Portal

Link points to Internet Archive / others. Not hosted by InfraLens. Details

WEF MOP 8

CurrentFrequently UsedCode of PracticeEnvironmental · Drainage, Sewerage and Sanitary Fittings

PDF Google Compare BIS Portal

Link points to Internet Archive / others. Not hosted by InfraLens. Details

IS 5523:2019 is the Indian Standard (BIS) for sewage treatment — guide for selection of treatment type. IS 5523 guides selection of sewage treatment technology. SBR and MBBR are most popular in India (2024) for compact footprint and good effluent quality. CPCB BOD limit is <10 mg/L.

Guide for selecting appropriate sewage treatment process based on effluent requirements, population, and available land.

Overview

Status: Current
Usage level: Frequently Used
Domain: Environmental — Drainage, Sewerage and Sanitary Fittings
Type: Code of Practice

International equivalents

WEF MOP 8 · WEF (US)

Typically used with

IS 2065 IS 10500

Also on InfraLens for IS 5523

4Key values 2Tables 1FAQs

Practical Notes

! SBR/MBBR need 10x less land than oxidation ponds.

! Design for 20-year projected population.

! CPCB tightened standards to BOD<10, TSS<20.

Frequently referenced clauses

Cl. 3 — Treatment levels: primary, secondary, tertiary

Cl. 4 — Process selection criteria

Cl. 5 — Technology comparison (ASP, SBR, MBBR, UASB)

Cl. 7 — Effluent standards

sewage treatmentSTPwastewaterSBRMBBRactivated sludge

International Equivalents

Similar International Standards

WEF MOP 8WEF (US)

MediumCurrent

Design of Municipal Wastewater Treatment Plants

WEF MOP 8 is a comprehensive design manual; IS 5523 is a selection guide.

Key Differences

Key Similarities

≈Both cover ASP, SBR, MBBR, and other treatment technologies.

Parameter Comparison

Parameter	IS Value	International	Source

⚠ Verify details from original standards before use

Key Values4

Quick Reference Values

CPCB BOD limit<10 mg/L

CPCB TSS limit<20 mg/L

SBR land0.1-0.2 m²/person

Oxidation pond land2-5 m²/person

Tables & Referenced Sections

Key Tables

Table 1 — Process comparison

Table 2 — Land requirements

Frequently Asked Questions1

Best STP technology for India?+

SBR for medium/large (>5 MLD), MBBR for smaller/retrofit. Oxidation ponds only where land is cheap.

QA/QC Inspection Templates

📋

QA/QC templates coming soon for this code.

Browse all 300 templates →

BOQ Builder·Auto-BOQ from dimensions, DSR ratesNEW→BidEasy·Government tenders, searchableLIVE→

IS 5523 : 2019Sewage Treatment — Guide for Selection of Treatment Type

PDF Google Compare BIS Portal

Link points to Internet Archive / others. Not hosted by InfraLens. Details

WEF MOP 8

CurrentFrequently UsedCode of PracticeEnvironmental · Drainage, Sewerage and Sanitary Fittings

PDF Google Compare BIS Portal

Link points to Internet Archive / others. Not hosted by InfraLens. Details

Guide for selecting appropriate sewage treatment process based on effluent requirements, population, and available land.

Overview

Status: Current
Usage level: Frequently Used
Domain: Environmental — Drainage, Sewerage and Sanitary Fittings
Type: Code of Practice

International equivalents

WEF MOP 8 · WEF (US)

Typically used with

IS 2065 IS 10500

Also on InfraLens for IS 5523

4Key values 2Tables 1FAQs

Practical Notes

! SBR/MBBR need 10x less land than oxidation ponds.

! Design for 20-year projected population.

! CPCB tightened standards to BOD<10, TSS<20.

Frequently referenced clauses

Cl. 3 — Treatment levels: primary, secondary, tertiary

Cl. 4 — Process selection criteria

Cl. 5 — Technology comparison (ASP, SBR, MBBR, UASB)

Cl. 7 — Effluent standards

sewage treatmentSTPwastewaterSBRMBBRactivated sludge

International Equivalents

Similar International Standards

WEF MOP 8WEF (US)

MediumCurrent

Design of Municipal Wastewater Treatment Plants

WEF MOP 8 is a comprehensive design manual; IS 5523 is a selection guide.

Key Differences

Key Similarities

≈Both cover ASP, SBR, MBBR, and other treatment technologies.

Parameter Comparison

Parameter	IS Value	International	Source

⚠ Verify details from original standards before use

Key Values4

Quick Reference Values

CPCB BOD limit<10 mg/L

CPCB TSS limit<20 mg/L

SBR land0.1-0.2 m²/person

Oxidation pond land2-5 m²/person

Tables & Referenced Sections

Key Tables

Table 1 — Process comparison

Table 2 — Land requirements

Frequently Asked Questions1

Best STP technology for India?+

SBR for medium/large (>5 MLD), MBBR for smaller/retrofit. Oxidation ponds only where land is cheap.

QA/QC Inspection Templates

📋

QA/QC templates coming soon for this code.

Browse all 300 templates →

IS 5523 : 2019Sewage Treatment — Guide for Selection of Treatment Type

Overview

International Equivalents

Key Values4

Tables & Referenced Sections

Related Resources on InfraLens

Frequently Asked Questions1

QA/QC Inspection Templates

More related

IS 5523 : 2019Sewage Treatment — Guide for Selection of Treatment Type

Overview

International Equivalents

Key Values4

Tables & Referenced Sections

Related Resources on InfraLens

Frequently Asked Questions1

QA/QC Inspection Templates

More related