UV water treatment in Mysuru addresses three primary needs: (1) post-overhead-tank disinfection for Mysuru's residential areas — KUWSDB (Karnataka Urban Water Supply and Drainage Board) Cauvery-derived supply is treated to IS 10500 quality but loses chloramine residual in overhead tanks, particularly in Mysuru's warm pre-monsoon months (temperatures reach 37–40°C in April–May); (2) pharmaceutical-grade purified water for pharmaceutical and agrochemical manufacturers at Nanjangud Industrial Area and Hebbal KSSIDC estate — where Schedule M 2025-compliant UV systems are required for companies including Karnataka Antibiotics, Chamundi Biocept, and contract manufacturers serving regulated export markets; and (3) KSPCB STP compliance for Mysuru's growing residential stock in Vijayanagar, Kuvempunagar, Dattagalli, and the outer ring road development corridors. Alpha UV System supplies Philips UV-C lamp UV systems to Mysuru with 5–7 day delivery and KSPCB documentation support.
Mysuru — Karnataka's second city and one of India's most popular domestic tourism destinations — has a distinct identity among Indian cities. Known for the Mysore Palace (Amba Vilas), the Dasara festival, Mysore silk, and sandalwood products, Mysuru is also a city of significant pharmaceutical manufacturing (particularly at Nanjangud, 30 km south on the Cauvery belt), a growing IT sector, and an expanding residential city fuelled by professionals seeking Bengaluru-adjacent quality of life at lower costs.
Mysuru's water supply from the Cauvery River (via the Krishnarajasagara reservoir and the KUWSDB distribution system) is generally of good quality — the Cauvery in this stretch has a relatively clean catchment compared to urban rivers. Bacterial regrowth in overhead tanks in Mysuru's pre-monsoon heat is the primary water safety concern for residential buildings. The Cauvery water dispute between Karnataka and Tamil Nadu has historically created supply anxiety in Mysuru during low-water periods (October–January when Tamil Nadu demands peak), but this affects supply availability rather than quality.
Mysuru Water Quality by Zone
| Zone / Area | Supply Type | Key Water Issue | UV Solution |
|---|---|---|---|
| Central Mysuru (Lashkar Mohalla, Saraswathipuram) | KUWSDB piped supply (Cauvery) | Good supply quality; bacterial regrowth in tanks April–May; older building plumbing in heritage areas | Post-tank UV at 40 mJ/cm², 1–3 m³/h |
| Vijayanagar, Kuvempunagar (residential zones) | KUWSDB piped supply + borewell backup | New apartment construction — STP compliance; borewell TDS 200–600 mg/L in most zones; supply intermittent in outer Vijayanagar | Post-tank UV; STP UV; RO + UV only if borewell TDS exceeds 500 mg/L |
| Nanjangud (industrial town) | KUWSDB supply + borewell | Pharmaceutical and agrochemical manufacturing; Cauvery supply quality variable in industrial zone; pharma grade water requirements | Full pharma UV (185 nm + 254 nm); KSPCB industrial STP documentation |
| Hebbal KSSIDC (industrial estate) | KSSIDC supply + borewell | Engineering and pharmaceutical manufacturing; residential township adjacent; STP compliance | Pharma UV; industrial STP UV; residential post-tank UV |
| Mysuru Palace / heritage hotel zone | KUWSDB piped supply | Heritage and luxury hotels (Lalitha Mahal Palace Hotel, Radisson Blu) — international guest water safety; Legionella risk in complex heritage plumbing | UV at 40–80 mJ/cm²; Legionella WMP for heritage hotels; cooling tower UV |
UV for Nanjangud Pharmaceutical and Agrochemical Cluster
Nanjangud — an industrial town 30 km south of Mysuru on the NH-212 — hosts one of Karnataka's significant pharmaceutical and agrochemical manufacturing clusters. Companies including Karnataka Antibiotics and Pharmaceuticals Limited (KAPL — a state government-owned pharma company producing antibiotics for government health programmes), Bayer CropScience's Karnataka manufacturing, Mysore Petro Chemicals, and several contract pharmaceutical manufacturers operate here.
Pharmaceutical water UV at Nanjangud follows Schedule M 2025 requirements: 185 nm UV (TOC reduction, fused silica sleeve) post double-pass RO, and 254 nm UV (loop disinfection, 40–80 mJ/cm²) on the purified water distribution loop return. Agrochemical manufacturing uses UV for process water disinfection where biological contamination of synthesis reaction water could affect product quality.
UV for Mysuru's Silk and Sandalwood Industries
Mysuru is the centre of Karnataka's silk industry — the Mysore Silk Factory (operated by KSIC — Karnataka Silk Industries Corporation) produces some of India's finest pure silk fabric. Silk reeling and weaving use water in several critical stages: cocoon soaking (degumming), silk thread washing, and fabric finishing. UV at 40 mJ/cm² on silk processing water provides microbiological control without introducing chlorine residual that would affect silk fibre quality and dyeing properties.
Sandalwood processing (sandalwood oil extraction from Mysuru's famous sandalwood trees) uses steam distillation — boiler feed water UV at 40 mJ/cm² on the demineralised boiler feed provides microbiological control of the steam condensate system used in sandalwood oil production.
| Application | Flow Rate | UV Dose | Notes |
|---|---|---|---|
| Residential apartment (Vijayanagar / Kuvempunagar) | 1–3 m³/h | 40 mJ/cm² | Post-overhead-tank UV; 5 µm pre-filter; April–May critical season |
| Gated community — 150 flats (Dattagalli) | 5–12 m³/h | 40 mJ/cm² | Twin reactors; KSPCB STP UV separate system |
| Pharmaceutical purified water (Nanjangud) | 2–20 m³/h | 80 mJ/cm² | 185 nm + 254 nm; Schedule M 2025 IQ/OQ/PQ; KSPCB documentation |
| Heritage hotel (Lalitha Mahal / Radisson) | 5–20 m³/h | 40–80 mJ/cm² | Legionella WMP; cooling tower UV; hot water loop UV; international guest safety |
| Silk processing water (KSIC) | 5–20 m³/h | 40 mJ/cm² | No chlorine residual in silk contact water; UV preferred for fibre quality preservation |
| STP outlet — 300 KLD (township) | 20–30 m³/h | 40 mJ/cm² | Philips TUV 95W; KSPCB consent documentation; Cauvery river basin compliance |
The Cauvery dispute sometimes causes supply cuts in Mysuru — how does this affect UV?
When KUWSDB Cauvery supply is reduced during Cauvery water dispute periods or drought years, Mysuru buildings increase their reliance on borewell backup supply. This is the most important UV-system risk period for Mysuru — borewell water quality is not tested as regularly as KUWSDB supply, and wells run harder during supply cuts, which can introduce surface contamination. The correct action during Cauvery supply reduction: (a) get the borewell water tested at an NABL laboratory for coliforms, TDS, and iron before using it as the primary supply; (b) ensure the UV pre-filter is replaced before the supply switch — fresh pre-filter is essential to maintain UV effectiveness on borewell water that may have higher turbidity than the KUWSDB supply; (c) monitor the UV intensity sensor more frequently during borewell-dependent periods. Alpha UV System provides borewell water quality advisory and UV system configuration support for Mysuru clients navigating Cauvery dispute supply disruptions.
Alpha UV System supplies UV disinfection systems to residential complexes, pharmaceutical manufacturers, silk and sandalwood processing units, heritage hotels, and STP operators across Mysuru, Nanjangud, and Hebbal industrial estate. KSPCB STP documentation. Schedule M 2025 pharma water documentation. Philips UV-C lamps. 5–7 day delivery to Mysuru.
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