CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 11 Jul 2025, 11:07 – 23 May 2026, 09:31
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📈
Overall trend
16 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer - House Block ▲ +1
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Kasthuri Estate I Street · No Water Supply ×5 · 1.95/mo
16
Total Complaints
16
Closed · 100%
0
Open / Escalated
1
Streets Affected
8
Distinct Complainants
Reporting Period
11 Jul 2025, 11:07
23 May 2026, 09:31
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
Kasthuri Estate I Street DEP 118 16 8

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

CSV PDF
StreetDepotSewerPeople
Kasthuri Estate I Street 118 9 5

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

CSV PDF
StreetDepotWaterPeople
Kasthuri Estate I Street 118 5 3

💧 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
Sewer Main Block Kasthuri Estate I Street 118 7 274 45.7 0.77
No Water Supply Kasthuri Estate I Street 118 5 77 19.3 1.95

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
Sewer Main Block vital 7 43.8% 43.8%
No Water Supply vital 5 31.3% 75%
Others vital 2 12.5% 87.5%
Sewer - House Block 2 12.5% 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 1 1
Tue 1 1 2
Wed 0
Thu 3 2 5
Fri 2 1 3
Sat 3 1 4
Sun 1 1
Total 01060 16

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.