CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 22 Mar 2025, 10:25 – 02 Aug 2026, 22:43
Use the Depot filter above to change scope
📈
Overall trend
39 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer Main Block ▲ +5
Open backlog
0 open / escalated · worst: 116 (0)
📍
Fastest-recurring hotspot
Sivaraman Street · Sewer Main Block ×38 · 2.29/mo
39
Total Complaints
39
Closed · 100%
0
Open / Escalated
1
Streets Affected
8
Distinct Complainants
Reporting Period
22 Mar 2025, 10:25
02 Aug 2026, 22:43
Download report: 📄 Overview PDF 📄 Street×Category PDF 📄 Recurrence PDF ⬇ Street Frequency CSV ⬇ Full data CSV

Complaints by Depot (closed vs open)

Depot Comparison

DepotTotalClosedOpenStreets
DEP 116 38 38 (100%) 0 1
DEP 126 1 1 (100%) 0 1

Complaint Categories

CSV

Monthly Trend (with 3-month average)

Status

Complaint Mode

Top Streets

View all
StreetDepotComplaintsPeople
Sivaraman Street DEP 116 38 7
Sivaraman Street DEP 126 1 1

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

CSV PDF
StreetDepotSewerPeople
Sivaraman Street 116 40 8
Sivaraman Street 126 1 1

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

CSV PDF
StreetDepotWaterPeople
No water complaints in this scope.

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
No pollution complaints in this scope.

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Sewer Main Block Sivaraman Street 116 38 499 13.5 2.29

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 39 100% 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 1 2 1 4
Wed 4 2 6
Thu 8 1 9
Fri 2 1 3
Sat 7 2 9
Sun 1 2 3
Total 02874 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.