States › Texas › Brazoria County

Brazoria County, TX Water Quality

Water quality data for 24 public water systems serving Brazoria County, Texas — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 24 water systems · 25 cities
✅
Excellent — All Systems Performing Well

Water quality across the county is outstanding with minimal violations and very low lead levels.

A

Brazoria County Earns a A

Brazoria County: 25 communities across 24 water systems. 96.0% have no open violations.

  • Median lead where detected: 1.60 ppb
  • 13 communities with a lead detection, 12 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 96.0% of communities have no open violations
1.6 ppb
Median Lead Level
County-wide, 90th percentile
24
Water Systems
Active CWS & NTNCWS
96%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Bonney
    1.93 ppb
    No federal limits exceeded on record
    B
  • Pearland
    1.60 ppb
    No federal limits exceeded on record
    A
  • Alvin
    Not detected
    No federal limits exceeded on record
    A
  • Angleton
    2.04 ppb
    No federal limits exceeded on record
    A
  • Clute
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Quintana
    1.61 ppb
    Copper above the 1,300 ppb action level
    D
  • Surfside Beach
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Sweeny
    1.00 ppb
    Copper above the 1,300 ppb action level
    C
  • Holiday Lakes
    9.30 ppb
    1 significant inspection deficiency
    B
  • Danbury
    Not detected
    10 health-based violations since 2015
    B
County Lead Level — Median 1.6 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.6 ppb — 10.7% of the federal action level
Systems by Lead Level
Under 5 ppb
11
5 – 10 ppb
2
No Data
12

All Cities in Brazoria County

Pearland 1.60 ppb A
Lake Jackson Not detected A
Alvin Not detected A
Angleton 2.04 ppb A
Freeport Not detected A
Clute Not detected A
Richwood 2.26 ppb A
Manvel 0.56 ppb A
West Columbia Not detected B
Sweeny 1.00 ppb C
Brazoria Not detected B
Iowa Colony Not detected B
Danbury Not detected B
Oyster Creek 0.64 ppb B
Holiday Lakes 9.30 ppb B
Jones Creek Not detected B
Rosharon 5.00 ppb B
Surfside Beach Not detected C
Damon 0.77 ppb B
Liverpool 1.58 ppb B
Wild Peach Village Not detected B
Brookside Village 1.60 ppb A
Quintana 1.61 ppb D
Sandy Point Not detected B
Bonney 1.93 ppb B
Showing 25 cities
No active violations Active violations

About Brazoria County Drinking Water

Brazoria County is served by 24 water systems covering 25 communities. 96% have no open violations.

Of the communities reporting lead results, 13 recorded a detection, with a median of 1.60 ppb — 11% of the federal action level. 12 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 2 of them.

Frequently Asked Questions

Is Brazoria County tap water safe to drink?▼
96% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Brazoria County?▼
Among communities with a detection the median is 1.60 ppb, 11% of the 15 ppb action level. 12 reported none detected and 0 reported no result.
How many water systems serve Brazoria County?▼
24 community water systems serve 25 communities here.
← Back to Texas water quality overview