Granjeno Tap Water Quality Report
Granjeno's water has 6 contaminants above EPA MCLGs. We recommend using a certified water filter.
Other systems listed for Granjeno with results above guidelines: CITY OF MISSION (3 above guidelines)
People Served
183,534
Health-based violations since 2020
0
MCALLEN PUBLIC UTILITY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2025 · MCALLEN PUBLIC UTILITY
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Granjeno Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Granjeno's water has 6 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Granjeno's water.
MCALLEN PUBLIC UTILITY, Granjeno's water system, serves 183,534 people. 1 other system is listed for Granjeno. Each system's results are listed under its own name, never added to MCALLEN PUBLIC UTILITY's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for MCALLEN PUBLIC UTILITY is from Sep 2025.
In EPA's 2023–2026 UCMR 5 testing, MCALLEN PUBLIC UTILITY measured lithium at up to 51.8 µg/L, which EPA counts as above its health reference level of 10 µg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Texas
Granjeno Water Service Areas
What these numbers actually mean for Granjeno, TX
We read Granjeno, TX’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.
- 6 contaminants above EPA MCLGs and 10 contaminants with an EPA health goal detected in some samples (no level on file)
- 239 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Granjeno
Based on Granjeno's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
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
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 6 contaminants above EPA MCLGs and 10 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
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 6 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 Granjeno's water readings can explain
Utility-reported data for Granjeno includes sulfate and a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Granjeno, 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 Granjeno? Public-water results do not apply to private wells. See Hidalgo County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Granjeno
Granjeno's tap water measures 13.3 grains per gallon (228.0 mg/L) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 13.3 gpg water in Granjeno — 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 Texas as a whole, read water softener cost in Texas — priced against the plumber wage published for the state.
Frequently Asked Questions About Granjeno Tap Water
Granjeno's water has 6 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Granjeno's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach MCALLEN PUBLIC UTILITY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact MCALLEN PUBLIC UTILITY directly.
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