WaterVerge

Is Roby, TX Tap Water Safe to Drink?

Graded C+, with 31 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: TX0760001
Overall Score
66.4 / 100
Violations
31 active
Last Updated
May 2026
Source
Purchased surface water
#633 of 1067 in Texas Top 72% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
66.4/100
waterverge.com
C+ 66.4/100

Roby, TX — Water Quality Report

Roby's drinking water received a grade of C+ (66.4 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,147 residents using purchased surface water.

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 63 violations on record, including 6 health-based violations. 31 remain unresolved.

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

What to know about Roby's water

Roby ranks #633 out of 1067 cities in Texas for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

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

The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
66.4 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
22.4/45
D
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
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Roby, TX water safe to drink?

Concerns Identified

Roby's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (66.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,147 residents using surface water (rivers, lakes, or reservoirs).

31
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Roby

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Roby's water quality assessment. Grade: C+ (66.4/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4272). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE RITA

Federal disaster declaration (FEMA DR-1606). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Roby's water system has 63 total violations on record, including 6 health-based violations. 31 remain unresolved. 8 violations were issued in the last 5 years.

MROtherRPTTTMONMCL
Most recent violations:
Dec 2025 Lead and Copper Rule Open
Oct 2025 Lead and Copper Rule Open
Jul 2025 Consumer Confidence Rule Open
May 2025 Public Notice Open
Dec 2024 Lead and Copper Rule Open

Flood & environmental risk

Fisher County has experienced 2 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Clear Fk Brazos Rv Nr Roby.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4272
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Roby's water come from?

Roby's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,147 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Clear Fk Brazos Rv Nr Roby (river).

What Roby residents can do

Install a water filter

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

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

63
Total violations
6
Health-based
31
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

63 Total
31 Active
6 Health-based
32 Resolved
3 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
18
Public Notice Rule and Revised PN Rule
16
Total Coliform Rule
9
Lead and Copper Rule
6
Consumer Confidence Rule
5
Dec 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
Dec 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2020 Active
Public Notice
Other Violation 0
Oct 2018 Active
Public Notice
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Feb 2018 Active
Public Notice
Other Violation 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2015 Active
Public Notice
Other Violation 0
Jul 2015 Active
Public Notice
Other Violation 0
Jun 2015 Active
Public Notice
Other Violation 0
Dec 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2014 Active
Public Notice
Other Violation 0
Aug 2014 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2014 Active
Public Notice
Other Violation 0
Showing 20 of 63 violations
Industrial pollution

Top industrial polluters within 10 miles of Roby

Industrial polluters nearby

Reported releases to surface water by facilities near Roby, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
GOLD BOND BUILDING PRODUCTS - ROTAN
Nonmetallic Mineral Product · SPANGLER COS INC
ROTAN, TX79546
7.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Fisher 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)
17.5%
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

2
Declared disasters
Jun 2016
Most recent
Flood
Most common type

Fisher County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

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 1.8 ppb from 1994 (1.8 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,147
Water Systems
1
Water Source

Where Roby's water comes from

Purchased Surface Water

Roby's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,147 people through 1 water system.

Local Hydrology

Water bodies near Roby

Roby is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Clear Fk Brazos Rv Nr Roby
river
Infrastructure

Water systems serving Roby

System Name PWSID Population Source
CITY OF ROBY TX0760001 1,147 SWP
Regional Comparison

How Roby compares

Full Texas rankings →

Roby's score of 66.4/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Roby (this city)
66.4
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Roby, TX

Wikipedia →

Roby is a city in and the county seat of Fisher County, Texas, United States. The population was 591 at the 2020 census.

Economic Profile
$54,267
Median Income
$60,703
Median Home Value
$600/mo
Median Rent
2.9%
Unemployment
Community
36.4
Median Age
362
People / sq mi
19.2%
College Educated
82.1%
Homeownership
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Frequently asked questions

Is Roby, TX tap water safe to drink?

Roby's water quality earned a grade of C+ (66.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #633 out of 1067 cities tested in Texas.

What contaminants are in Roby's water?

Lead was measured at 0.0 ppb (90th percentile). 63 violations are on record.

How is Roby'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 Roby?

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

Where does Roby's water come from?

Roby's water is sourced from Purchased surface water. The city has 1 water system serving approximately 1,147 residents.

What health violations has Roby's water system had?

Roby has 6 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 31 violations remain unresolved.

How does Roby's water compare to other cities?

Roby ranks #633 out of 1067 cities in Texas (better than 41% of state cities) and #11380 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Roby's small water system affect quality?

Roby's system serves approximately 1,147 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 63 violations on record.