CMWSSB Complaint Analytics

Street	Depot	Complaints	People
Bharatheeswarar Colony 2Nd Street	DEP 112	5	3
Bharatheeswarar Colony 3Rd Street	DEP 112	4	3
Trustpuram 6Th Cross Street	DEP 112	4	3
Sivan Koil South Street	DEP 112	3	2
Vellala Street	DEP 112	3	3
Dr.ambedkar Street	DEP 112	2	2
Sowrashtra Nagar 10 Street	DEP 112	2	2
Trustpuram 2Nd Cross Street	DEP 112	2	2
Trustpuram 5Th Cross Street	DEP 112	2	2
Alagiripuram 1St Street	DEP 112	1	1
Bharatheeswarar Colony 4Th Street	DEP 112	1	1
Dayal Nagar 3Rd Street	DEP 112	1	1

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

CSV PDF

Street	Depot	Sewer	People
Sivan Koil Street	112	88	19
Sivan Koil South Street	112	75	24
Choolaimedu High Road	112	70	33
Sowrashtra Nagar 1St Street	112	65	16
South Sivan Koil Street	112	37	20
Trustpuram 8Th Cross Street	112	36	11
Bharatheeswarar Colony 2Nd Street	112	35	22
Swarnambigai Street	112	34	11
Vellala Street	112	32	14
Sivan Koil Cross Street	112	28	12

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

CSV PDF

Street	Depot	Water	People
Bharatheeswarar Colony 2Nd Street	112	14	10
Trustpuram 5Th Cross Street	112	9	6
Vellala Street	112	8	6
Trustpuram 6Th Cross Street	112	6	4
Bharatheeswarar Colony 5Th Street	112	5	2
Choolaimedu High Road	112	5	5
Sivan Koil Street	112	5	5
Ganga Nagar 3Rd Cross Street	112	4	4
Sivan Koil Cross Street	112	4	3
Sivan Koil South Street	112	4	3

💧 Water Pollution (pollution complaints)

CSV PDF

Street	Depot	Pollut.	People
Trustpuram 8Th Cross Street	112	8	2
Sivan Koil Street	112	7	5
Sowrashtra Nagar 5Th Street	112	7	3
Bharatheeswarar Colony 2Nd Street	112	5	4
New Market Street	112	5	3
Trustpuram 9Th Cross Street	112	5	3
Dasspuram	112	4	2
Dayal Nagar 3Rd Street	112	4	2
Bharatheeswarar Colony 5Th Street	112	3	2
Choolaimedu High Road	112	3	3

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

PDF

Category	Street	Depot	Times	Span (days)	Avg gap (days)	Per month
Others	Bharatheeswarar Colony 2Nd Street	112	5	182	45.5	0.82
Others	Bharatheeswarar Colony 3Rd Street	112	4	160	53.2	0.75
Others	Trustpuram 6Th Cross Street	112	4	409	136.3	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.

Category	Count	Share	Cumulative
Others vital	45	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.

	Night	Morning	Afternoon	Evening	Total
Mon			2	3	5
Tue		1	2	1	4
Wed		3		1	4
Thu		2	2	3	7
Fri		6	6	3	15
Sat		2	2		4
Sun		2	2	2	6
Total	0	16	16	13	45

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 A	Problem B	Shared streets
Not enough overlapping complaints in this scope.