Feature Analysis

Chemical parameter importance and distribution analysis from Random Forest model

Importance scores derived from Random Forest (best model). Higher score = stronger influence on potability prediction.

Feature Importance — Random Forest

9 parameters

#1 Top Feature

Sulfate

18.4%

#2 Top Feature

16.3%

#3 Top Feature

Hardness

15.2%

Mean parameter values by class

Click to expand details

WHO 2022 Edition

Parameter	Unit	WHO Min	WHO Max	Sample Value	Compliance	ML Importance	Description
Sulfate	mg/L	—	250	333	Exceeds Limit	18.4%	Naturally occurring mineral salt. WHO limit: 250 mg/L
pH	pH	6.5	8.5	7.0	Near Limit	16.3%	Measure of acidity/alkalinity. WHO safe range: 6.5–8.5
Hardness	mg/L	60	500	196	Compliant	15.2%	Calcium & magnesium concentration. Acceptable: 60–500 mg/L
Total Dissolved Solids	ppm	—	500	20,927	Exceeds Limit	13.9%	Total dissolved mineral content. WHO limit: 500 ppm
Conductivity	μS/cm	—	400	426	Exceeds Limit	12.0%	Electrical conductivity of water. WHO limit: 400 μS/cm
Chloramines	ppm	—	4	7.1	Exceeds Limit	11.0%	Disinfectant level. WHO safe limit: ≤4 ppm
Organic Carbon	ppm	—	2	14	Exceeds Limit	9.8%	Total organic carbon. WHO guideline: ≤2 ppm
Trihalomethanes	μg/L	—	80	66	Compliant	7.6%	Disinfection byproducts. WHO limit: 80 μg/L
Turbidity	NTU	—	1	4.6	Exceeds Limit	5.7%	Cloudiness/clarity of water. WHO limit: 1 NTU

3 compliant

6 exceeding limits

Sample: WS-2026-0441 · Analyzed Jun 7, 2026