PlainWater
Counties → Texas

Grayson County, Texas

Water Systems
50
Population Served
159,062
Total Violations
4,304
1,322 health-based
PFAS Detected
8
of 8 tested

Violation Analysis

98.0%
Systems with Violations
86.1
Avg Violations per System
30.7%
Health-Based Violations

Water Source Types

GW
33 systems (66%)
SW
17 systems (34%)

PFAS Contamination

8
Systems Tested
8
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Grayson Texas water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (49)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
City of Sherman 43,645 49 Detected
City of Denison 27,500 67 Clean
City of Van Alstyne 7,000 87 Detected
Two Way Sud 6,804 23 Detected
South Grayson Sud 6,750 4 Detected
City of Howe 4,548 111 -
Tanglewood on Texoma 4,341 109 Detected
Luella Sud 4,200 1 Clean
City of Whitesboro 4,192 42 Clean
Kentuckytown WSC 4,083 10 -
Northwest Grayson County Wcid 1 3,615 22 -
Oak Ridge South Gale WSC 3,153 87 -
Starr WSC 3,100 62 -
Pink Hill WSC 2,835 9 -
City of Gunter 2,772 16 -
City of Pottsboro 2,571 24 -
Marilee Elmont 2,448 57 -
Rra Preston Shores Water System 2,277 641 -
City of Bells 2,101 38 -
Sherwood Shores 2,031 12 -
Ridgecrest 1,968 405 -
City of Collinsville 1,866 33 -
City of Dorchester 1,696 8 -
City of Whitewright 1,638 25 -
City of Knollwood 1,353 115 -
City of Tom Bean 1,178 16 -
Grandpappy Point Marina 1,027 43 -
Highport Marina & Resort 1,000 115 -
City of Tioga 938 8 -
Texins Lake Texoma Club 744 20 -
City of Southmayd Westview Subdivision 738 51 -
City of Southmayd 516 87 -
Rock Creek Resort 513 35 -
City of Sadler 483 5 -
Rocky Point Estates 441 65 -
Thompson Heights Water System 414 120 -
Georgetown Baptist Church 400 71 -
Franks Restaurant 315 22 -
Big Mineral Camp Resort 300 5 -
Northern Hills Water Service 264 317 -
Sheppard Afb Recreational Annex 253 14 -
Texoma Estates WSC 216 11 -
Texoma Marina and Resort 180 620 -
Flowing Wells Resort 174 53 -
American Legion Mia Post 231 141 117 -
Heritage Estates 138 72 -
3-D Mobile Home and RV Park 90 90 -
Munson Point Property Owners Association 87 284 -
Twu Water Hauler Pottsboro 25 0 -
Greater Texoma Utility Authority 0 6 -

Other Counties in Texas

Harris County
1,292 systems · 6,016,117 served · 78,495 violations
Dallas County
37 systems · 3,180,170 served · 2,618 violations
Bexar County
82 systems · 2,376,579 served · 13,955 violations
Tarrant County
113 systems · 2,099,244 served · 10,564 violations
Travis County
138 systems · 1,547,700 served · 7,557 violations
Collin County
35 systems · 1,246,210 served · 1,149 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Grayson County? ▼
Grayson County has 4,304 total drinking water violations across 50 water systems, of which 1,322 are health-based violations. 98.0% of systems have at least one violation.
How many people get water from Grayson County systems? ▼
Water systems in Grayson County serve approximately 159,062 people through 50 public water systems.
Has PFAS been detected in Grayson County water? ▼
Of 8 water systems tested for PFAS in Grayson County, 8 had PFAS detected (100.0% detection rate).
What types of water sources supply Grayson County? ▼
Water systems in Grayson County use GW (33 systems), SW (17 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 30.7% of Grayson County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.