CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 04 Mar 2025, 07:48 – 14 Aug 2026, 16:29
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📈
Overall trend
30 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer Main Block ▲ +2
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Co-Operative Colony · Sewer Main Block ×17 · 0.97/mo
30
Total Complaints
30
Closed · 100%
0
Open / Escalated
1
Streets Affected
14
Distinct Complainants
Reporting Period
04 Mar 2025, 07:48
14 Aug 2026, 16:29
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
Co-Operative Colony DEP 122 30 14

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

CSV PDF
StreetDepotSewerPeople
Co-Operative Colony 122 20 11

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

CSV PDF
StreetDepotWaterPeople
Co-Operative Colony 122 9 4

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Co-Operative Colony 122 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 Co-Operative Colony 122 17 528 33 0.97
No Water Supply Co-Operative Colony 122 9 468 58.5 0.58

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 17 56.7% 56.7%
No Water Supply vital 9 30% 86.7%
Sewer - House Block 3 10% 96.7%
Water Pollution 1 3.3% 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 5 5
Tue 2 1 3
Wed 7 2 9
Thu 1 1 1 3
Fri 2 3 5
Sat 1 3 4
Sun 1 1
Total 01893 30

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.