WaterVerge

Is Riviera, TX Tap Water Safe to Drink?

Graded D+, with 43 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

729 residents served 1 water system PWSID: TX1370007
Overall Score
50 / 100
Violations
43 active
Last Updated
May 2026
Source
Groundwater
#775 of 1067 in Texas Top 84% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
50/100
waterverge.com
D+ 50/100

Riviera, TX — Water Quality Report

Riviera's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 1 water system serves approximately 729 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 242 violations on record, including 79 health-based violations. 43 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Riviera's water

Riviera ranks #775 out of 1067 cities in Texas for water quality, placing it below average in the state.

Riviera relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Riviera may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 21 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
50 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Riviera, TX water safe to drink?

Concerns Identified

Riviera's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 729 residents using groundwater (wells).

43
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Riviera

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Riviera's water quality assessment. Grade: D+ (50/100).

Disaster
HURRICANE BERYL

Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Gross Alpha, Excl. Radon and U.

Disaster
TROPICAL STORMS MARCO AND LAURA

Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Riviera's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Riviera's water system has 242 total violations on record, including 79 health-based violations. 43 remain unresolved. 21 violations were issued in the last 5 years.

OtherMCLMRTTMON
Most recent violations:
Oct 2023 Public Notice Open
Oct 2023 Public Notice Open
Aug 2023 Public Notice Open
Jul 2023 Gross Alpha, Excl. Radon and U Resolved
Apr 2023 Public Notice Open

Flood & environmental risk

Kleberg County has experienced 10 federally declared disasters since 2007. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE BERYL
Hurricane FEMA DR-4798
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540
HURRICANE HANNA
Hurricane FEMA DR-3530

Where does Riviera's water come from?

Riviera's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 729 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Riviera residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Riviera's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Riviera's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

242
Total violations
79
Health-based
43
Active / unresolved
Oct 2023
Most recent violation
Compliance Record

Violations & advisories

242 Total
43 Active
79 Health-based
199 Resolved
Violations by category
Radionuclides and Revised Rad Rule
144
Public Notice Rule and Revised PN Rule
36
Volatile Organic Chemicals
21
Stage 1 Disinfectants and Disinfection Byproducts Rule
12
Synthetic Organic Chemicals
12
Oct 2023 Active
Public Notice
Other Violation 0
Oct 2023 Active
Public Notice
Other Violation 0
Aug 2023 Active
Public Notice
Other Violation 0
Apr 2023 Active
Public Notice
Other Violation 0
Aug 2022 Active
Public Notice
Other Violation 0
Apr 2021 Active
Public Notice
Other Violation 0
Mar 2020 Active
Public Notice
Other Violation 0
Jan 2020 Active
Public Notice
Other Violation 0
Oct 2019 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
May 2019 Active
Public Notice
Other Violation 0
Oct 2018 Active
Public Notice
Other Violation 0
Oct 2018 Active
Public Notice
Other Violation 0
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2018 Active
Public Notice
Other Violation 0
Jan 2018 Active
Public Notice
Other Violation 0
Jan 2018 Active
Public Notice
Other Violation 0
Jan 2018 Active
Public Notice
Other Violation 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2016 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 242 violations
Environmental Risk

Drought conditions

D2 — severe drought

Kleberg County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
21.7%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Kleberg County has experienced 10 federally declared disasters since 2007. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2024
HURRICANE BERYL
Hurricane FEMA #4798
Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Jul 2020
HURRICANE HANNA
Hurricane FEMA #3530
Aug 2017
HURRICANE HARVEY
Hurricane FEMA #4332
Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Jun 2010
TROPICAL STORM ALEX
Hurricane FEMA #3313

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 2.3 ppb from 1994 (2.3 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
729
Water Systems
1
Water Source

Where Riviera's water comes from

Groundwater

Riviera's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 729 people through 1 water system.

Infrastructure

Water systems serving Riviera

System Name PWSID Population Source
RIVIERA WCID TX1370007 729 GW
Regional Comparison

How Riviera compares

Full Texas rankings →

Riviera's score of 50/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.

Riviera (this city)
50
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Riviera, TX

Economic Profile
$67,069
Median Income
$96,285
Median Home Value
11.2%
Unemployment
Community
40.6
Median Age
79
People / sq mi
25.8%
College Educated
78.8%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Riviera, TX tap water safe to drink?

Riviera's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #775 out of 1067 cities tested in Texas.

What contaminants are in Riviera's water?

Lead was measured at 0.0 ppb (90th percentile). 242 violations are on record.

How is Riviera's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Riviera?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Riviera's water come from?

Riviera's water is sourced from Groundwater. The city has 1 water system serving approximately 729 residents.

What health violations has Riviera's water system had?

Riviera has 79 health-based violations on record. The most recent violation was recorded in October 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 43 violations remain unresolved.

Is Riviera's groundwater at risk of contamination?

Riviera uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 242 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Riviera's water compare to other cities?

Riviera ranks #775 out of 1067 cities in Texas (better than 27% of state cities) and #13179 out of 15744 cities nationally (16th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Riviera's small water system affect quality?

Riviera's system serves approximately 729 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 242 violations on record.