Explore Our Tools
Is Your Toilet Secretly Wasting Water?
Take this quick test to find out if you have a leaky toilet
Step 1: Prepare for the Test
Remove the toilet tank lid and place it somewhere safe.
Step 2: Add Food Coloring
Add 5-10 drops of food coloring to the water in the tank. Don't flush!
Step 3: Wait 15-30 Minutes
Leave the toilet undisturbed for at least 15 minutes. Don't flush during this time!
Step 4: Check the Bowl
After waiting, look in the toilet bowl. Do you see colored water?
Water & Money Savings Calculator
See how much you could save by making simple changes
Potential Savings
Your Potential Impact:
Stockton's Water Quality Reports
View the latest data on our local water supply
Recent Contaminant Levels
| Contaminant | Level Detected | EPA Limit | Potential Effects |
|---|---|---|---|
| Arsenic | 3 ppb | 10 ppb | Skin damage, circulatory problems |
| Lead | 1.2 ppb | 15 ppb | Developmental issues in children |
| Nitrates | 4.5 ppm | 10 ppm | Blue baby syndrome |
| Total Trihalomethanes | 35 ppb | 80 ppb | Increased cancer risk |
Water Sources for Stockton
Primary Sources:
- Delta Water (60%) - From Sacramento-San Joaquin Delta
- Groundwater (30%) - Local wells and aquifers
- Surface Water (10%) - Local rivers and reservoirs
Note: Percentages vary seasonally based on availability and drought conditions.
Stockton vs. California Averages
Water Quality Index
Water Cost per Gallon
Daily Usage per Capita
Water Conservation Game
Test your knowledge and learn water-saving tips
How to Play
Answer 5 questions about water conservation. For each correct answer, you'll save virtual water!
Stockton Water Resources Map
Explore local water sources, treatment plants, and conservation areas
Map Legend:
Map Layers:
Key Water Features in Stockton
Stockton Delta Water Supply
Source of drinking water for the region
Stockton Regional Wastewater Facility
Treats 30 million gallons of wastewater daily
Mokelumne River
Critical water source and wildlife habitat
