CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 14 Mar 2025, 09:08 – 29 Aug 2026, 12:49
Use the Depot filter above to change scope
📈
Overall trend
41 complaints in this window
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
R.o.b I Street · Sewer Main Block ×36 · 2.03/mo
41
Total Complaints
41
Closed · 100%
0
Open / Escalated
1
Streets Affected
16
Distinct Complainants
Reporting Period
14 Mar 2025, 09:08
29 Aug 2026, 12:49
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
R.o.b I Street DEP 115 41 16

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

CSV PDF
StreetDepotSewerPeople
R.o.b I Street 115 37 13

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

CSV PDF
StreetDepotWaterPeople
R.o.b I Street 115 2 2

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
R.o.b I Street 115 2 2

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Sewer Main Block R.o.b I Street 115 36 533 15.2 2.03

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 36 87.8% 87.8%
No Water Supply 2 4.9% 92.7%
Water Pollution 2 4.9% 97.6%
Sewer Machine Hole Open (or) Broken 1 2.4% 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 6
Tue 5 1 6
Wed 7 2 1 10
Thu 5 1 4 10
Fri 2 1 3
Sat 1 2 3
Sun 1 1 1 3
Total 023108 41

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.