Key takeaways
- The report said most STPs around Coimbatore Smart City lakes were non-functional.
- At least four lake-linked STPs were reported as not operational.
- The STPs were said to have been set up at costs ranging from Rs 1 crore to Rs 4 crore, depending on size.
- The report cited STPs near Valankulam and Periyakulam.
- Two Valankulam units were described with capacities of 2 MLD and 3 MLD.
- A civic employee admitted the 3 MLD inflow meter was damaged, according to the source.
Summary
Coimbatore, 12 June 2026 — A report on Coimbatore’s Smart City lakes said at least four lake-linked sewage treatment plants were not operational and treated-water inflows had stopped.
Key facts
| Item | Detail |
|---|---|
| Water bodies cited | Valankulam and Periyakulam among others |
| STPs reported non-operational | At least four |
| Cost range cited | Rs 1 crore to Rs 4 crore depending on size |
| Valankulam units | 2 MLD and 3 MLD |
| 3 MLD issue cited | Damaged inflow meter |
| Current status | Non-functional or partly functional as reported |
What happened
- The source reported a field visit to lake-linked STPs in Coimbatore.
- It said signs of treated water release into Smart City lakes were missing.
- At Valankulam, one 2 MLD unit was described as partly functioning while the 3 MLD unit was described as shut down.
- The source said inflows to some plants were completely halted.
Fact box
| Item | Detail |
|---|---|
| Story type | Civic infrastructure / environment |
| Neighbourhood or area | Smart City lake belt; Valankulam and Periyakulam cited |
| Published source date | 12 June 2026 05:14 pm IST |
| Event date | Status reported on 12 June 2026 |
| Category | Coimbatore |
| Verification status | Based on cited source; official restoration timeline was not provided. |
Sources
- Primary: The Times of India
Why Coimbatore readers should care
Coimbatore’s lake restoration value depends on whether sewage treatment actually works. Non-functional STPs can affect lake health, odour, mosquito conditions and public trust in Smart City spending.
What changes for citizens
- Lake users and nearby residents should report odour, foam or sewage inflow with photos and location details.
- Civic groups can seek STP status, O&M contractor details and monthly treatment logs through official channels.
- Residents should track whether the corporation publishes repair or restart timelines.
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- Coimbatore Collector inspected ongoing development projects on 23 June
Editorial note
The story is based on reported field observations and quoted civic/activist inputs. Update with official CCMC plant-wise operating status if released.
