WaterVerge

Is Gary, TX Tap Water Safe to Drink?

Graded F — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 4 water systems PWSID: TX1830008
Overall Score
43 / 100
Violations
119 active
Last Updated
May 2026
Source
Groundwater
#943 of 1067 in Texas Top 93% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
43/100
waterverge.com
F 43/100

Gary, TX — Water Quality Report

Gary's drinking water received a grade of F (43 out of 100), indicating failing water quality. The city's 4 water systems serve approximately 3,156 residents using groundwater.

Lead levels were measured at 0.8 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 342 violations on record, including 90 health-based violations. 119 remain unresolved.

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

What to know about Gary's water

Gary ranks #943 out of 1067 cities in Texas for water quality, placing it among the lowest-rated in the state.

Gary 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, Gary may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 73 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
43 out of 100 Grade F
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
16/20
B
Lead at 0.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Gary, TX water safe to drink?

Concerns Identified

Gary's drinking water has significant quality concerns based on EPA testing data. With a grade of F (43/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 3,156 residents using groundwater (wells).

119
Active Violations
0.8 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Gary

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Gary's water quality assessment. Grade: F (43/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Public Notice, TTHM.

Disaster
HURRICANE BERYL

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

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.35 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Gary's water system has 342 total violations on record, including 90 health-based violations. 119 remain unresolved. 73 violations were issued in the last 5 years.

MRTTOtherMCLRPTMON
Most recent violations:
Dec 2025 Lead and Copper Rule Open
Dec 2025 Lead and Copper Rule Open
Nov 2025 Public Notice Open
Oct 2025 Public Notice Open
Oct 2025 TTHM Resolved

Flood & environmental risk

Montgomery County has experienced 10 federally declared disasters since 2008. 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 Little Lake Ck At Fm 149 Nr Montgomery, Lake Ck Nr Dobbin.

HURRICANE BERYL
Hurricane FEMA DR-4798
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540

Where does Gary's water come from?

Gary's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 3,156 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Little Lake Ck At Fm 149 Nr Montgomery (river), Lake Ck Nr Dobbin (river).

What Gary residents can do

Install a water filter

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

Gary'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
0.8 ppb
EPA Action Level: 15 ppb · 6% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.35 mg/L
EPA Action Level: 1.3 mg/L · +4% over limit
Exceeds Limit
Compliance Record

Violation summary

342
Total violations
90
Health-based
119
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

342 Total
119 Active
90 Health-based
223 Resolved
7 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
79
Public Notice Rule and Revised PN Rule
63
Lead and Copper Rule
48
Stage 2 Disinfectants and Disinfection Byproducts Rule
43
Total Coliform Rule
31
Dec 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2025 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Nov 2025 Active
Public Notice
Other Violation 0
Oct 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 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 REVISIONS
Reporting
Reporting 0
Oct 2024 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Showing 20 of 342 violations
Environmental Risk

Drought conditions

D2 — severe drought

Panola 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)
14.2%
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

Montgomery County has experienced 10 federally declared disasters since 2008. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2024
HURRICANE BERYL
Hurricane FEMA #4798
May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Oct 2019
TROPICAL STORM IMELDA
Flood FEMA #4466
Aug 2017
HURRICANE HARVEY
Hurricane FEMA #4332
Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272

Recommended water filters

Based on contaminants detected in Gary's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.8 15 ppb Inorganic Safe
Copper (90th percentile) 1.35 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 27.0 ppb from 1994 (1.0 ppb) to 2025 (28.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.120 mg/L from 1994 (1.470 mg/L) to 2020 (1.350 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,156
Water Systems
4
Source breakdown
Groundwater
3
Purchased Surface Water
1
Water Source

Where Gary's water comes from

Groundwater

Gary'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 3,156 people through 4 water systems.

Local Hydrology

Water bodies near Gary

Gary is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Little Lake Ck At Fm 149 Nr Montgomery
river
Lake Ck Nr Dobbin
river
Infrastructure

Water systems serving Gary

System Name PWSID Population Source
GARY WSC TX1830008 1,050 GW
MURVAUL WSC TX1830010 999 GW
SOUTH MURVAUL WSC TX1830027 981 GW
COUNTRY LAKES WATER SUPPLY TX1830032 126 SWP
Regional Comparison

How Gary compares

Full Texas rankings →

Gary's score of 43/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.

Gary (this city)
43
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
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Frequently asked questions

Is Gary, TX tap water safe to drink?

Gary's water quality earned a grade of F (43/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #943 out of 1067 cities tested in Texas.

What contaminants are in Gary's water?

Lead was measured at 0.8 ppb (90th percentile). 342 violations are on record.

How is Gary'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 Gary?

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

Where does Gary's water come from?

Gary's water is sourced from Groundwater. The city has 4 water systems serving approximately 3,156 residents.

What health violations has Gary's water system had?

Gary has 90 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. 119 violations remain unresolved.

Is Gary's groundwater at risk of contamination?

Gary 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 342 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 Gary's water compare to other cities?

Gary ranks #943 out of 1067 cities in Texas (better than 12% of state cities) and #14684 out of 15744 cities nationally (7th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.