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CITY OF BAY CITY vs CITY OF HOUSTON

Water quality comparison — risk levels, violations, PFAS records, and contaminants

Quick Answer

CITY OF HOUSTON has a lower risk classification (safe). CITY OF BAY CITY has 1 open health-based violation and 261 PFAS records. CITY OF HOUSTON has 0 open health-based violations and 2784 PFAS records.

CITY OF BAY CITY

Texas · TX1610001

Overall Risk Level

Moderate Concern

No Concern
Low
Moderate
High
Critical

Contaminants detected within limits but elevated. Consider filtration.

1

Open violations

261

PFAS records

CITY OF HOUSTON

Texas · TX1010013

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

2784

PFAS records

Head-to-Head Comparison

MetricCITY OF BAY CITYCITY OF HOUSTON
StateTexasTexas
Risk LevelModerate ConcernNo Concerns Detected
Population Served18,0612,970,543
Open Health Violations10
Total Violations183
PFAS Records2612784
OwnershipLocalLocal
Service TypeGroundwaterSurface water
City ServedHouston

Contaminants in Violation Records

CITY OF BAY CITY

  • Lead
  • Coliform (TCR)
  • Nitrate
  • Total Coliform

CITY OF HOUSTON

  • Lead
  • Coliform (TCR)

Key Differences

CITY OF BAY CITY has a moderate risk rating vs. safe for CITY OF HOUSTON.

CITY OF BAY CITY has 1 open health-based violation vs. 0 for CITY OF HOUSTON.

CITY OF BAY CITY has 261 PFAS records vs. 2784 for CITY OF HOUSTON.

What Should I Do?

If either utility shows open violations or elevated PFAS records, consider:

  • Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
  • Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
  • Ordering a certified lab water test if you want contaminant-specific data for your address.

Frequently Asked Questions

Which is safer — CITY OF BAY CITY or CITY OF HOUSTON?

CITY OF HOUSTON has a lower risk classification (safe). CITY OF HOUSTON has 0 open health-based violations compared to 1 for the other system.

What does "open health-based violation" mean?

An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.

How current is this data?

Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.

What does PWSID mean?

PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.

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