Tap water quality for ZIP 93267
10 community water systems linked to this ZIP, largest first.
What this means for you in ZIP 93267
- Is it safe to drink right now?
- Based on the latest EPA data, City of Porterville 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 PFOA and 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 Porterville
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
PFOA
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
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
D
City of Porterville
Serves 63,487 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; 2 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).
A
Strathmore Public Util Dist
Serves 2,669 people · Surface water · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile above the new 10 ppb action level (LCRI, effective Nov 1, 2027); Lead 90th percentile below the action level (2024).
B
Plainview Mutual Water Company
Serves 617 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
B
Lsid-Strathmore System
Serves 500 people · Surface water · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Porterville Developmental Center
Serves 176 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).
C
Plainview Mwc - Central Water
Serves 138 people · Groundwater · Full report →
3 health-based violations in the last 5 years; 1 monitoring/reporting violation; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
Cws - Mullen Water Company
Serves 138 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
Mountain View Duplexes
Serves 103 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2022).
A
Shady Grove Mobile Home Park, LLC
Serves 95 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
Foothill Apartments
Serves 41 people · Groundwater · 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).
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