WaterVerge

Is Parlier, CA Tap Water Safe to Drink?

Graded A- — but Vanadium and Chlorate were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

15K residents served 1 water system PWSID: CA1010025
Overall Score
85.4 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#260 of 694 in California Top 34% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.4/100
waterverge.com
A- 85.4/100

Parlier, CA — Water Quality Report

Parlier's drinking water received a grade of A- (85.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 14,576 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 17 violations on record, including 14 health-based violations. 4 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Parlier's water

Parlier ranks #260 out of 694 cities in California for water quality, placing it mid-range in the state.

Parlier relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Hexavalent chromium (chromium-6) was detected at 2.40 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
85.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18.3/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Parlier, CA water safe to drink?

Concerns Identified

Parlier's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 14,576 residents using groundwater (wells).

4
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
7 events
Disaster History

Recent water quality updates for Parlier

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Parlier's water quality assessment. Grade: A- (85.4/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-3592). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4683). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

Based on the most recent EPA sampling data for Parlier's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Parlier's water system has 17 total violations on record, including 14 health-based violations. 4 remain unresolved. 2 violations were issued in the last 5 years.

TTRPTMCLMR
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Nov 2015 Coliform (TCR) Resolved
Jul 2013 Coliform (TCR) Resolved
Jan 2006 Lead and Copper Rule Open

Flood & environmental risk

Fresno County has experienced 7 federally declared disasters since 1969. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-3592
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4683
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-3591

Where does Parlier's water come from?

Parlier's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 14,576 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Parlier residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Parlier's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Parlier's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
0.5 µg/L
EPA MCL: 60 µg/L · 1% of limit
Within LimitUCMR 4 DataHAA6Br: 0.5 µg/LHAA9: 0.5 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
2.40 µg/L
CA MCL (no federal MCL): 10 µg/L · 24% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
360.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 24% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
0.8 µg/L
EPA Secondary MCL: 50 µg/L · 2% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Over HA
31.00 µg/L
EPA Short-term HA: 21 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
1000.0 µg/L
EPA Lifetime HA: 210 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
Molybdenum
Inorganic
Detected
1.80 µg/L
EPA Lifetime HA: 40 µg/L · 5% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

17
Total violations
14
Health-based
4
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

17 Total
4 Active
14 Health-based
13 Resolved
Violations by category
Total Coliform Rule
13
Lead and Copper Rule Revisions
2
Lead and Copper Rule
1
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 2006 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Nov 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2015
Jul 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2013
Dec 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2005
Nov 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Nov 2005
Sep 2005 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2005
Aug 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 1998
Jul 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1997
Mar 1996 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 1996
Oct 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1995
Sep 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1995
Feb 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 1993
Jan 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 1993
Oct 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1992
Industrial pollution

Top industrial polluters within 10 miles of Parlier

Industrial polluters nearby

Reported releases to surface water by facilities near Parlier, ranked by pounds discharged annually.

Total reported releases to surface water: 0 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
BASALITE CONCRETE PRODUCTS
Nonmetallic Mineral Product · PACIFIC COAST BUILDING PRODUCTS INC
SELMA, CA93662
Lead04.8 mi
POM WONDERFUL
Beverages · NA
DEL REY, CA93616
4.5 mi
GUARDIAN INDUSTRIES LLC
Nonmetallic Mineral Product · KOCH INC
KINGSBURG, CA93631
4.8 mi
FRESNO VALVES & CASTINGS INC.
Primary Metals · FRESNO VALVES & CASTINGS INC
SELMA, CA93662
5.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Parlier

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

7
Declared disasters
Mar 2023
Most recent
Flood
Most common type

Fresno County has experienced 7 federally declared disasters since 1969. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Mar 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #3592
Jan 2023
SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4683
Jan 2023
SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #3591
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3248
Feb 1993
SEVERE WINTER STORM, MUD & LAND SLIDES, & FLOODING
Flood FEMA #979
Feb 1986
SEVERE STORMS & FLOODING
Flood FEMA #758

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1994 (5.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
14,576
Water Systems
1
Water Source

Where Parlier's water comes from

Groundwater

Parlier's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 14,576 people through 1 water system.

Infrastructure

Water systems serving Parlier

System Name PWSID Population Source
CITY OF PARLIER CA1010025 14,576 GW
Regional Comparison

How Parlier compares

Full California rankings →

Parlier's score of 85.4/100 is above the average of 57/100 among major California cities. It outscores 8 of 10 nearby cities.

Parlier (this city)
85.4
Oakland
77.9
San Diego
39.7
Sacramento
31.2
California avg
57
City Profile

About Parlier, CA

Wikipedia →

Parlier is a city in Fresno County, California, United States. As of the 2020 census, the city had a total population of 14,576, up from 14,494 in 2010. The city has one of the state's highest percentage of Latinos, a large majority of whom are seasonal migrant laborers who arrive and temporarily work in the area's agricultural sector. Parlier is located 5.5 miles (9 km) east-northeast of Selma, at an elevation of 344 feet (105 m).

Economic Profile
$50,026
Median Income
$216,801
Median Home Value
$976/mo
Median Rent
6.9%
Unemployment
Community
28.2
Median Age
2,344
People / sq mi
4.9%
College Educated
47.3%
Homeownership
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Frequently asked questions

Is Parlier, CA tap water safe to drink?

Parlier's water quality earned a grade of A- (85.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #260 out of 694 cities tested in California.

What contaminants are in Parlier's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 17 violations are on record.

How is Parlier's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Parlier?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Parlier's water come from?

Parlier's water is sourced from Groundwater. The city has 1 water system serving approximately 14,576 residents.

What health violations has Parlier's water system had?

Parlier has 14 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Parlier's groundwater at risk of contamination?

Parlier uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 17 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Parlier's water compare to other cities?

Parlier ranks #260 out of 694 cities in California (better than 63% of state cities) and #5331 out of 15744 cities nationally (66th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.