CMWSSB Complaint Analytics
Chennai Metro Water · Complaint Intelligence
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Showing All depots 03 Apr 2025, 09:28 – 05 Sep 2026, 13:15
Use the Depot filter above to change scope
📈
Overall trend
20 complaints in this window
⚠️
Rising issue (last 30 days)
Sewer - House Block ▲ +1
Open backlog
1 open / escalated · 95% closed
📍
Fastest-recurring hotspot
Josier Street · Sewer Main Block ×10 · 0.6/mo
20
Total Complaints
19
Closed · 95%
1
Open / Escalated
1
Streets Affected
14
Distinct Complainants
Reporting Period
03 Apr 2025, 09:28
05 Sep 2026, 13:15
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
Josier Street DEP 113 20 14

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

CSV PDF
StreetDepotSewerPeople
Josier Street 113 13 11

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

CSV PDF
StreetDepotWaterPeople
Josier Street 113 6 4

💧 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
Sewer Main Block Josier Street 113 10 500 55.5 0.6

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 Main Block vital 10 50% 50%
Water Leakage in Service Line / Main Line vital 3 15% 65%
No Water Supply vital 2 10% 75%
Sewer - House Block vital 2 10% 85%
Others 1 5% 90%
Sewer Machine Hole Open (or) Broken 1 5% 95%
Water Short Supply 1 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 2 1 3
Tue 3 3
Wed 2 1 3
Thu 1 1 2
Fri 1 1 2
Sat 3 1 1 5
Sun 1 1 2
Total 01253 20

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.