PlainWater
Counties → Texas

Johnson County, Texas

Water Systems
61
Population Served
232,795
Total Violations
4,743
237 health-based
PFAS Detected
9
of 9 tested

Violation Analysis

96.7%
Systems with Violations
77.8
Avg Violations per System
5.0%
Health-Based Violations

Water Source Types

GW
40 systems (66%)
SW
10 systems (16%)

PFAS Contamination

9
Systems Tested
9
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

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

No violations on record (2) One or more violations (48)

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
Johnson County Sud 65,517 40 Detected
City of Burleson 53,381 20 Detected
City of Cleburne 34,075 15 Detected
Bethesda WSC 33,441 35 Detected
City of Alvarado 6,614 141 Detected
City of Keene 6,346 53 Detected
Bethany Sud 4,503 46 Detected
Metroplex Homesteads Water Supply 3,588 27 Clean
Parker WSC 3,300 28 -
City of Venus 3,170 141 Detected
Crowley 1 Acre Sky Corp Water 2,016 10 -
City of Grandview 1,879 29 -
City of Godley 1,367 66 -
City of Rio Vista 1,040 107 -
Crest Water 1,026 135 -
Sundance Addition 834 16 -
Twin Creek Subdivision 780 0 -
Shaded Lane Estates 777 310 -
Northcrest Addition 744 20 -
The Retreat Water Supply 633 144 -
Blue Water Oaks Estates 606 79 -
Ridgecrest Addition & Misty Hollow 456 34 -
Oakview Farms Subdivision 399 39 -
Tpwd Cleburne State Park 375 1 -
Fishermans Paradise 351 192 -
Crowley II Acre Subdivision 336 424 -
Nolan River Estates 303 1 -
Buffalo Creek 300 160 -
Granda Vista 294 15 -
City of Cresson 285 102 -
Walden Estates 267 29 -
Rolling Oaks Subdivision 252 213 -
Mansfield South 246 106 -
Sunshine Country Acres 219 41 -
Falcon Crest Addition 213 18 -
Rancho Villa Subdivision 195 62 -
Woodland Oaks Estates 189 26 -
Thomas Acres 165 286 -
John Dame 159 285 -
Owen Oil Tools 157 28 -
Shady Hills Estates Water System 150 25 -
Peaceful Meadows Subdivision 141 13 -
Rock Creek Estates 132 157 -
Westlake Village Mobile Home Park 132 116 -
Oak Leaf Trail 132 16 -
Fred Mitchell MHP 132 2 -
Cahill Country Water System 126 98 -
Westover Hills 120 17 -
West Meadow Subdivision 102 5 -
Highland Hideaway RV Park 102 0 -

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 Johnson County? ▼
Johnson County has 4,743 total drinking water violations across 61 water systems, of which 237 are health-based violations. 96.7% of systems have at least one violation.
How many people get water from Johnson County systems? ▼
Water systems in Johnson County serve approximately 232,795 people through 61 public water systems.
Has PFAS been detected in Johnson County water? ▼
Of 9 water systems tested for PFAS in Johnson County, 9 had PFAS detected (100.0% detection rate).
What types of water sources supply Johnson County? ▼
Water systems in Johnson County use GW (40 systems), SW (10 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. 5.0% of Johnson 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.