CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing DEP 116 21 Feb 2025, 23:08 – 08 Aug 2026, 09:50
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📈
Overall trend
22 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer - House Block ▲ +2
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Theradi Street (Car Street) · Sewer - House Block ×8 · 0.65/mo
22
Total Complaints
22
Closed · 100%
0
Open / Escalated
1
Streets Affected
12
Distinct Complainants
Reporting Period
21 Feb 2025, 23:08
08 Aug 2026, 09:50
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
Theradi Street (Car Street) DEP 116 22 12

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

CSV PDF
StreetDepotSewerPeople
Theradi Street (Car Street) 116 14 6

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

CSV PDF
StreetDepotWaterPeople
No water complaints in this scope.

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Theradi Street (Car Street) 116 7 6

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Sewer - House Block Theradi Street (Car Street) 116 8 369 52.7 0.65
Water Pollution Theradi Street (Car Street) 116 7 470 78.3 0.45
Sewer Main Block Theradi Street (Car Street) 116 5 283 70.7 0.53

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 - House Block vital 8 36.4% 36.4%
Water Pollution vital 7 31.8% 68.2%
Sewer Main Block vital 5 22.7% 90.9%
Others 1 4.5% 95.5%
Sewer Machine Hole Open (or) Broken 1 4.5% 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 3 3
Tue 5 5
Wed 1 3 4
Thu 2 2 4
Fri 1 1
Sat 4 4
Sun 1 1
Total 01282 22

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.