CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 24 Feb 2025, 08:20 – 07 May 2026, 21:09
Use the Depot filter above to change scope
📈
Overall trend
14 complaints in this window
⚠️
Rising issue (last 30 days)
No Water Supply ▲ +2
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Natesan Colony · No Water Supply ×11 · 0.75/mo
14
Total Complaints
14
Closed · 100%
0
Open / Escalated
1
Streets Affected
8
Distinct Complainants
Reporting Period
24 Feb 2025, 08:20
07 May 2026, 21:09
Download report: 📄 Overview PDF 📄 Street×Category PDF 📄 Recurrence PDF ⬇ Street Frequency CSV ⬇ Full data CSV

Complaint Categories

CSV

Monthly Trend (with 3-month average)

Status

Complaint Mode

Top Streets

View all
StreetDepotComplaintsPeople
Natesan Colony DEP 123 14 8

🛠 Sewer Complaints (main block · house block · overflow)

CSV PDF
StreetDepotSewerPeople
Natesan Colony 123 3 3

🚰 Water Complaints (no supply · short supply · leaks)

CSV PDF
StreetDepotWaterPeople
Natesan Colony 123 11 6

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
No pollution complaints in this scope.

🔁 Recurrence — how often the same issue comes back (same category · same street)

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
No Water Supply Natesan Colony 123 11 438 43.8 0.75

Avg gap = average days between consecutive complaints of that type on that street. Lower gap / higher “per month” = a faster-recurring, unresolved problem.

🔬 Advanced Analysis

Pareto — the vital few (which categories drive most complaints)

Categories ordered by volume with their cumulative share. The highlighted rows are the smallest set that together account for ~80% of all complaints — fix these first.

CategoryCountShareCumulative
No Water Supply vital 11 78.6% 78.6%
Sewer Main Block vital 3 21.4% 100%

When complaints arrive (weekday × time of day)

Load pattern across the week — darker cells are busier six-hour windows. Useful for staffing and planning proactive checks before the peak.

NightMorningAfternoonEveningTotal
Mon 3 3
Tue 2 2
Wed 0
Thu 2 2
Fri 1 1 2
Sat 1 1 2
Sun 1 1 1 3
Total 0824 14

Linked problems (category pairs that hit the same streets)

Pairs of issue types that recur together on the same street, ranked by the number of streets where both appear. Strong pairs point to a shared root cause worth fixing in one visit.

Problem AProblem BShared streets
Not enough overlapping complaints in this scope.