CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 05 Mar 2025, 09:54 – 17 Aug 2026, 10:22
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📈
Overall trend
24 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer Main Block ▲ +3
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Krishnabai Street · No Water Supply ×8 · 0.49/mo
24
Total Complaints
24
Closed · 100%
0
Open / Escalated
1
Streets Affected
11
Distinct Complainants
Reporting Period
05 Mar 2025, 09:54
17 Aug 2026, 10:22
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
Krishnabai Street DEP 113 24 11

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

CSV PDF
StreetDepotSewerPeople
Krishnabai Street 113 7 5

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

CSV PDF
StreetDepotWaterPeople
Krishnabai Street 113 9 4

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Krishnabai Street 113 6 4

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
No Water Supply Krishnabai Street 113 8 486 69.5 0.49
Sewer Main Block Krishnabai Street 113 7 504 84 0.42
Water Pollution Krishnabai Street 113 6 456 91.2 0.39

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
No Water Supply vital 8 33.3% 33.3%
Sewer Main Block vital 7 29.2% 62.5%
Water Pollution vital 6 25% 87.5%
Others 2 8.3% 95.8%
Water Short Supply 1 4.2% 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 7 2 9
Tue 2 2
Wed 2 2
Thu 5 5
Fri 2 1 3
Sat 1 1
Sun 1 1 2
Total 02031 24

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.