Tap water quality for ZIP 77521
19 community water systems linked to this ZIP, largest first.
What this means for you in ZIP 77521
- Is it safe to drink right now?
- Based on the latest EPA data, City of Baytown has no unresolved health-based violations from the past year. Water that meets federal standards is generally considered safe to drink for most healthy people.
- Should I use a filter?
- Yes, we recommend considering one. Average PFOS was above the 4 ppt federal limit (compliance deadline April 2029).
- What kind of filter?
- For PFAS, look for NSF/ANSI 53 (with an explicit PFOA/PFOS or total PFAS claim) or NSF/ANSI 58 reverse osmosis. See matched standards and product picks.
This is general information from public EPA data, not medical advice. Lead often comes from a home’s own pipes, so only a test of your tap can tell your exposure. If you are pregnant, caring for an infant, or have a weakened immune system, ask your doctor or health department.
Shown for the largest system linked to this ZIP. Check your water bill to confirm your provider.
Filters matched to City of Baytown
FILTER PICKS
Look for filters certified (NSF, IAPMO or WQA) to these standards for the specific contaminant. Buttons open the maker’s page or an Amazon search; use “Check NSF listing” to verify a model’s claims. No affiliate links yet — grades are never sold.
PFAS (other)
NSF/ANSI 58 (RO, total PFAS claim)NSF/ANSI 53 (check claim)RO system with total-PFAS claim ~$300–600
Prefer units whose NSF/ANSI 58 listing covers total PFAS or named PFAS.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Certified filter (check contaminant list) varies
Open the NSF listing and confirm the exact chemical before you buy.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
PFOS
NSF/ANSI 53 (PFOA/PFOS claim)NSF/ANSI 58 (RO)Aquasana Claryum or OptimH2O (PFAS claim) ~$100–350
Aquasana under-sink lineup; must list PFOA/PFOS on the certificate — check before buying.
View on Aquasana → Check NSF listing · Not an affiliate link · disclosure
Clearly Filtered Pitcher (PFAS claim) ~$110
Pitcher option with published PFAS reduction claims; verify NSF/IAPMO listing.
View on Clearly Filtered → Check NSF listing · Not an affiliate link · disclosure
Waterdrop G3 / G3P600 RO ~$300–500
Tankless RO; RO broadly reduces nitrate, fluoride, arsenic and many PFAS — confirm the certificate lists yours.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Chlorine/chloramine taste
NSF/ANSI 42Aquasana Clean Water Pitcher ~$35
Pitcher for chlorine taste/odor; check the NSF/ANSI 42 listing for the exact model.
Search on Amazon → Check NSF listing · Not an affiliate link · disclosure
Brita Elite Filter ~$20–40
Common faucet/pitcher option; confirm the 42 claim on the box.
View on Brita → Check NSF listing · Not an affiliate link · disclosure
Annual water quality report
Utilities must publish a Consumer Confidence Report every year by July 1. Find it on the utility’s website or ask them directly; EPA explains how. · Full report →
Water systems for this ZIP
B
City of Baytown
Serves 86,004 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2025).
D
City of Mont Belvieu
Serves 12,864 people · Groundwater · Full report →
5 health-based violations in the last 5 years; 1 monitoring/reporting violation; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
A
Lake MUD
Serves 6,048 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A
Spring Meadows MUD
Serves 4,224 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Harris County FWSD 27
Serves 2,190 people · Surface water · Full report →
No health-based violations in the last 5 years; 4 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
Harris County MUD 213-A
Serves 1,926 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Canal Terrace Subdivision
Serves 480 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Cedar Bayou Park
Serves 294 people · Surface water · Full report →
1 health-based violation in the last 5 years; 6 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Glenwood Mobile Home Subdivision
Serves 234 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Apacheland Mobile Home Subdivision
Serves 207 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Hunters Village Subdivision
Serves 174 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
McGee Place
Serves 153 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Sjolander Road Mobile Home Park
Serves 146 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
C
Lazy Acres Mobile Home Park
Serves 75 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 25 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B
O Aces MHP
Serves 72 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
C
Country Living Mobile Home Park
Serves 72 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 27 monitoring/reporting violations; 4 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
Cedar Bayou Estates
Serves 60 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
B
Delynn Water System
Serves 55 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
C
Barkaloo Homeowners Association
Serves 42 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 27 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
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