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Counties → Texas

Rockwall County, Texas

Water Systems
7
Population Served
117,934
Total Violations
284
28 health-based
PFAS Detected
6
of 6 tested

Violation Analysis

100.0%
Systems with Violations
40.6
Avg Violations per System
9.9%
Health-Based Violations

Water Source Types

SW
7 systems (100%)

PFAS Contamination

6
Systems Tested
6
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

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

No violations on record (0) One or more violations (7)

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 Rockwall 47,251 2 Detected
City of Fate 29,285 49 Detected
City of Royse City 16,400 55 Detected
City of Heath 9,890 40 Detected
R C H WSC 7,863 52 Detected
Blackland WSC 5,217 48 Detected
Mount Zion WSC 2,028 38 -

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 Rockwall County? ▼
Rockwall County has 284 total drinking water violations across 7 water systems, of which 28 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Rockwall County systems? ▼
Water systems in Rockwall County serve approximately 117,934 people through 7 public water systems.
Has PFAS been detected in Rockwall County water? ▼
Of 6 water systems tested for PFAS in Rockwall County, 6 had PFAS detected (100.0% detection rate).
What types of water sources supply Rockwall County? ▼
Water systems in Rockwall County use SW (7 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. 9.9% of Rockwall 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.