CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 01 May 2026, 19:16 – 04 Sep 2026, 10:51
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📈
Overall trend
4 complaints in this window
⚠️
Rising issue (last 30 days)
Water Pollution ▲ +3
Open backlog
2 open / escalated · 50% closed
📍
Fastest-recurring hotspot
Bajanai Koil Street (East) · Water Pollution ×4 · 0.96/mo
4
Total Complaints
2
Closed · 50%
2
Open / Escalated
1
Streets Affected
3
Distinct Complainants
Reporting Period
01 May 2026, 19:16
04 Sep 2026, 10:51
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

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StreetDepotComplaintsPeople
Bajanai Koil Street (East) DEP 109 4 3

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

CSV PDF
StreetDepotSewerPeople
Bajanai Koil Street (East) 109 23 13

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

CSV PDF
StreetDepotWaterPeople
Bajanai Koil Street (East) 109 10 9

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Bajanai Koil Street (East) 109 4 3

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Water Pollution Bajanai Koil Street (East) 109 4 126 41.9 0.96

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 4 100% 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 0
Wed 0
Thu 0
Fri 1 1 2
Sat 1 1
Sun 1 1
Total 0301 4

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.