CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 15 Mar 2025, 17:23 – 24 Jul 2026, 11:25
Use the Depot filter above to change scope
📈
Overall trend
7 complaints in this window
⚠️
Rising issue (last 30 days)
Water Pollution ▲ +1
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Periyar Pathai · Water Pollution ×7 · 0.42/mo
7
Total Complaints
7
Closed · 100%
0
Open / Escalated
1
Streets Affected
6
Distinct Complainants
Reporting Period
15 Mar 2025, 17:23
24 Jul 2026, 11:25
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
Periyar Pathai DEP 109 7 6

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

CSV PDF
StreetDepotSewerPeople
Periyar Pathai 109 36 17

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

CSV PDF
StreetDepotWaterPeople
Periyar Pathai 109 4 4

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Periyar Pathai 109 7 6

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Water Pollution Periyar Pathai 109 7 496 82.6 0.42

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
Water Pollution vital 7 100% 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 0
Tue 1 1
Wed 1 1 1 3
Thu 0
Fri 1 1
Sat 1 1
Sun 1 1
Total 0322 7

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.