Riverbank Tap Water Quality Report
Riverbank's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Other systems listed for Riverbank with results above guidelines: MODESTO IRRIGATION DISTRICT (1 above guidelines)
People Served
25,424
Health-based violations since 2020
1
RIVERBANK, CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Apr 2025 · RIVERBANK, CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Riverbank Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Riverbank's water has 3 contaminants above EPA health-based guidelines (MCLGs).
RIVERBANK, CITY OF, Riverbank's water system, serves 25,424 people. 2 other systems are listed for Riverbank. Each system's results are listed under its own name, never added to RIVERBANK, CITY OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for RIVERBANK, CITY OF is from Apr 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
Riverbank Water Service Areas
What these numbers actually mean for Riverbank, CA
We read Riverbank, CA’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 3 contaminants above EPA MCLGs and 2 contaminants with an EPA health goal detected in some samples (no level on file)
- 132 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Riverbank
Based on Riverbank's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)
AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium
Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
0.042 gpm
Daily Production
130 gpd
Highlights:
- Built-in UV sterilization
- Easy maintenance with filter change reminders
- NSF-58 certified
- Hot and cold water dispensing
Removes 12 contaminants:
+7 more
Molybdenum, Sulfate, Strontium, Phosphorus, Chlorine, Barium, Nitrate
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs and 2 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Riverbank's water readings can explain
Utility-reported data for Riverbank includes sulfate — the readings behind these common tap water questions. We publish a city-level hardness figure for Riverbank, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Riverbank? Public-water results do not apply to private wells. See Stanislaus County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Riverbank
Riverbank's tap water measures 11.5 grains per gallon (196.0 mg/L) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 11.5 gpg water in Riverbank — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For California as a whole, read water softener cost in California — priced against the plumber wage published for the state.
Frequently Asked Questions About Riverbank Tap Water
Riverbank's water has 3 contaminants above EPA MCLGs. We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach RIVERBANK, CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact RIVERBANK, CITY OF directly.
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