CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 11 Mar 2025, 09:55 – 21 Aug 2026, 08:44
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📈
Overall trend
39 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer Main Block ▲ +3
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Ponnusamy Street · Sewer Main Block ×30 · 1.7/mo
39
Total Complaints
39
Closed · 100%
0
Open / Escalated
1
Streets Affected
20
Distinct Complainants
Reporting Period
11 Mar 2025, 09:55
21 Aug 2026, 08:44
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
Ponnusamy Street DEP 118 39 20

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

CSV PDF
StreetDepotSewerPeople
Ponnusamy Street 118 34 20

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

CSV PDF
StreetDepotWaterPeople
Ponnusamy Street 118 3 1

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Ponnusamy Street 118 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 Ponnusamy Street 118 30 528 18.2 1.7

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 30 76.9% 76.9%
No Water Supply vital 3 7.7% 84.6%
Sewer Machine Hole Open (or) Broken 3 7.7% 92.3%
Rain Water Stagnation 1 2.6% 94.9%
Sewer - House Block 1 2.6% 97.4%
Water Pollution 1 2.6% 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 1 5 3 9
Tue 4 1 5
Wed 1 1 2
Thu 1 1 1 3
Fri 1 5 6
Sat 3 1 4
Sun 2 5 3 10
Total 013197 39

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.