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La Joya Tap Water Quality Report
La Joya's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
CITY OF LA JOYA
People Served
3,033
Health-based violations since 2020
8 (1 open)
CITY OF LA JOYA. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jun 2022 · CITY OF LA JOYA
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is La Joya 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. La Joya's water has 3 contaminants above EPA health-based guidelines (MCLGs).
CITY OF LA JOYA, La Joya's water system, serves 3,033 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for CITY OF LA JOYA is from Jun 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Texas
La Joya Water Service Areas
What these numbers actually mean for La Joya, TX
We read La Joya, 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.
- 3 contaminants above EPA MCLGs, 9 contaminants with an EPA health goal detected in some samples (no level on file), 1 open health-based EPA violation and 1 health-based EPA violation that began after the latest compliance result on file
- 197 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in La Joya's water
CITY OF LA JOYA
PWSID TX1080213
CITY OF LA JOYA reported 0.53 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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Recommended Water Filters for La Joya
Based on La Joya'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
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs, 9 contaminants with an EPA health goal detected in some samples (no level on file), 1 open health-based EPA violation and 1 health-based EPA violation that began after the latest compliance result 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 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 La Joya's water readings can explain
Utility-reported data for La Joya includes sulfate — the readings behind these common tap water questions. We publish a city-level hardness figure for La Joya, 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 La Joya? 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 La Joya
La Joya's tap water measures 10.5 grains per gallon (179.0 mg/L) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 10.5 gpg water in La Joya — 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 La Joya Tap Water
La Joya'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. EPA records a health-based violation for CITY OF LA JOYA that began after its latest compliance result on file (Jun 2022): Treatment Technique, Level 1 Assessment (RTCR) (Revised Total Coliform Rule), which began on December 2, 2023. Every such result predates it, so none can show the water met the standard since, and this page does not call the water safe.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach CITY OF LA JOYA. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CITY OF LA JOYA directly.
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