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FCSA 05 - WILDWOOD ISLAND

PWS ID: CA1000021 · FRESNO, California 93721

FCSA 05 - WILDWOOD ISLAND serves 417 people in FRESNO, California using Groundwater water sources. It has 25 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: FCSA 05 - WILDWOOD ISLAND

FCSA 05 - WILDWOOD ISLAND is a local-owned community water system that delivers drinking water to 417 residents in FRESNO, California (Fresno County) through 149 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 25 total violations for this system , of which 4 (16%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 19 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. FCSA 05 - WILDWOOD ISLAND's 25 violations sit above the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
417
Total Violations
25
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
149
County
Fresno
School/Daycare
No
MCL Violations
4
Monitoring Violations
19
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2015
Coliform (TCR) MCL 4 2011
TTHM MR 2 2016
Stage 2 Disinfectants and Disinfection Byproducts Rule Other 2 2016
Total Haloacetic Acids (HAA5) MR 2 2016
Gross Alpha, Excl. Radon and U MR 2 1981
Lead and Copper Rule MR 1 1993

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for FCSA 05 - WILDWOOD ISLAND.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CA1000021 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

California Drinking Water Authority

California State Water Resources Control Board — Division of Drinking Water is the primacy agency that licenses and inspects FCSA 05 - WILDWOOD ISLAND under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board — Division of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2016 TTHM MR 2 SDWIS / CA1000021 / 2950
2016 Stage 2 Disinfectants and Disinfection Byproducts Rule Other 2 SDWIS / CA1000021 / 0600
2016 Total Haloacetic Acids (HAA5) MR 2 SDWIS / CA1000021 / 2456
2015 Coliform (TCR) MR 12 SDWIS / CA1000021 / 3100
2011 Coliform (TCR) MCL 4 SDWIS / CA1000021 / 3100
1993 Lead and Copper Rule MR 1 SDWIS / CA1000021 / 5000
1981 Gross Alpha, Excl. Radon and U MR 2 SDWIS / CA1000021 / 4000

How FCSA 05 - WILDWOOD ISLAND Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric FCSA 05 - WILDWOOD ISLAND California avg Federal benchmark
Total violations 25 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 8.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 64.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 417 5,850 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,249 regulated public water systems in California.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is FCSA 05 - WILDWOOD ISLAND water safe to drink?
FCSA 05 - WILDWOOD ISLAND (PWS ID: CA1000021) has 25 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 417 people using Groundwater sources.
How many people does FCSA 05 - WILDWOOD ISLAND serve?
FCSA 05 - WILDWOOD ISLAND serves 417 people in FRESNO, California. It is a Local-owned system using Groundwater water sources with 149 service connections.
What type of violations does FCSA 05 - WILDWOOD ISLAND have?
FCSA 05 - WILDWOOD ISLAND has 25 total violations: 4 health-based violations (MCL exceedances or treatment failures), 19 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in FCSA 05 - WILDWOOD ISLAND water?
No PFAS testing data is available for FCSA 05 - WILDWOOD ISLAND under the EPA's UCMR5 monitoring program.
What water source does FCSA 05 - WILDWOOD ISLAND use?
FCSA 05 - WILDWOOD ISLAND uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial