CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing DEP 113 11 Mar 2025, 13:02 – 24 Aug 2026, 10:00
Use the Depot filter above to change scope
📈
Overall trend
48 complaints in this window
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Unnamalai Amman Street · Sewer Main Block ×19 · 1.58/mo
48
Total Complaints
48
Closed · 100%
0
Open / Escalated
1
Streets Affected
19
Distinct Complainants
Reporting Period
11 Mar 2025, 13:02
24 Aug 2026, 10:00
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
Unnamalai Amman Street DEP 113 48 19

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

CSV PDF
StreetDepotSewerPeople
Unnamalai Amman Street 113 20 9

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

CSV PDF
StreetDepotWaterPeople
Unnamalai Amman Street 113 28 14

💧 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
No Water Supply Unnamalai Amman Street 113 27 531 20.4 1.53
Sewer Main Block Unnamalai Amman Street 113 19 361 20.1 1.58

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 27 56.3% 56.3%
Sewer Main Block vital 19 39.6% 95.8%
Sewer - House Block 1 2.1% 97.9%
Water Short Supply 1 2.1% 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 4 3 7
Tue 2 3 5
Wed 5 6 11
Thu 6 4 1 11
Fri 3 1 4
Sat 2 2 4
Sun 3 1 2 6
Total 025203 48

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.