CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing DEP 123 03 Mar 2025, 12:06 – 18 Aug 2026, 07:29
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📈
Overall trend
18 complaints in this window
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Sir. Desika Salai · Sewer Main Block ×6 · 0.49/mo
18
Total Complaints
18
Closed · 100%
0
Open / Escalated
1
Streets Affected
9
Distinct Complainants
Reporting Period
03 Mar 2025, 12:06
18 Aug 2026, 07:29
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
Sir. Desika Salai DEP 123 18 9

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

CSV PDF
StreetDepotSewerPeople
Sir. Desika Salai 123 11 6

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

CSV PDF
StreetDepotWaterPeople
Sir. Desika Salai 123 5 4

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Sir. Desika Salai 123 1 1

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Sewer Main Block Sir. Desika Salai 123 6 366 73.2 0.49
No Water Supply Sir. Desika Salai 123 5 426 106.5 0.35
Sewer - House Block Sir. Desika Salai 123 4 516 172.1 0.23

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 6 33.3% 33.3%
No Water Supply vital 5 27.8% 61.1%
Sewer - House Block vital 4 22.2% 83.3%
Others 1 5.6% 88.9%
Sewer Machine Hole Open (or) Broken 1 5.6% 94.4%
Water Pollution 1 5.6% 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 2 2
Tue 2 1 2 5
Wed 1 1
Thu 1 1
Fri 1 1 2
Sat 1 1 1 3
Sun 1 2 1 4
Total 0666 18

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.