CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 27 Mar 2025, 14:15 – 02 Aug 2026, 15:50
Use the Depot filter above to change scope
📈
Overall trend
19 complaints in this window
⚠️
Rising issue (last 30 days)
No Water Supply ▲ +1
Open backlog
0 open / escalated · 100% closed
📍
Fastest-recurring hotspot
Ganapathy Street · Sewer Main Block ×4 · 0.64/mo
19
Total Complaints
19
Closed · 100%
0
Open / Escalated
1
Streets Affected
11
Distinct Complainants
Reporting Period
27 Mar 2025, 14:15
02 Aug 2026, 15:50
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
Ganapathy Street DEP 118 19 11

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

CSV PDF
StreetDepotSewerPeople
Ganapathy Street 118 5 5

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

CSV PDF
StreetDepotWaterPeople
Ganapathy Street 118 7 5

💧 Water Pollution (pollution complaints)

CSV PDF
StreetDepotPollut.People
Ganapathy Street 118 6 2

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

PDF
CategoryStreetDepotTimesSpan (days)Avg gap (days)Per month
Water Pollution Ganapathy Street 118 6 450 90 0.4
Sewer Main Block Ganapathy Street 118 4 189 62.9 0.64
No Water Supply Ganapathy Street 118 4 410 136.6 0.29

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
Water Pollution vital 6 31.6% 31.6%
No Water Supply vital 4 21.1% 52.6%
Sewer Main Block vital 4 21.1% 73.7%
Water Leakage in Service Line / Main Line vital 3 15.8% 89.5%
Others 1 5.3% 94.7%
Sewer - House Block 1 5.3% 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 1 2 1 4
Tue 0
Wed 2 2 4
Thu 3 1 4
Fri 1 1 2
Sat 2 1 3
Sun 1 1 2
Total 01117 19

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.