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Table Mountain Rancheria

PWS ID: 090600154 · Friant, 09 93626

Table Mountain Rancheria serves 10,675 people in Friant, 09 using Surface Water water sources. It has 144 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Table Mountain Rancheria

Table Mountain Rancheria is a native american-owned community water system that delivers drinking water to 10,675 residents in Friant, 09 through 25 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 144 total violations for this system , of which 9 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 28 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 19 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across 09, EPA tracks 323 public water systems serving 555,721 people, with 48,296 cumulative violations and 3,354 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149.5 violations. Table Mountain Rancheria's 144 violations sit below the 09 average. Statewide, 30 of 41 UCMR5-tested systems have reported PFAS detections (73.2%). 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
10,675
Total Violations
144
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
25
School/Daycare
No
MCL Violations
9
Monitoring Violations
28
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 2011
Total Haloacetic Acids (HAA5) MCL 4 2019
Consumer Confidence Rule Other 3 2002
TTHM MCL 2 2017
Gross Alpha, Excl. Radon and U MCL 2 2002
Lead and Copper Rule MR 2 1996
Hexachlorocyclopentadiene MR 1 2017
Pentachlorophenol MR 1 1996
Coliform (TCR) MCL 1 2010
2,4,5-TP MR 1 1996
Total Haloacetic Acids (HAA5) MR 1 2017
2,4-D MR 1 1996
TTHM MR 1 2017
Asbestos MR 1 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/12/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/12/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/12/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/12/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/9/2023 <9 µg/L 9 µg/L Not Detected
PFOS 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/7/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/7/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/7/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/7/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/7/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/1/2023 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 5/1/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/1/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 5/1/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 3/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 3/12/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 3/12/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 3/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 3/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 3/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 3/12/2024 <0.005 µg/L 0.005 µg/L Not Detected

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 Table Mountain Rancheria.

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 090600154 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

09 Drinking Water Authority

09's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 09 regulator via EPA SDWIS

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
2019 Total Haloacetic Acids (HAA5) MCL 4 SDWIS / 090600154 / 2456
2017 TTHM MCL 2 SDWIS / 090600154 / 2950
2017 Hexachlorocyclopentadiene MR 1 SDWIS / 090600154 / 2042
2017 Total Haloacetic Acids (HAA5) MR 1 SDWIS / 090600154 / 2456
2017 TTHM MR 1 SDWIS / 090600154 / 2950
2011 Coliform (TCR) MR 19 SDWIS / 090600154 / 3100
2010 Coliform (TCR) MCL 1 SDWIS / 090600154 / 3100
2002 Consumer Confidence Rule Other 3 SDWIS / 090600154 / 7000
2002 Gross Alpha, Excl. Radon and U MCL 2 SDWIS / 090600154 / 4000
1996 Lead and Copper Rule MR 2 SDWIS / 090600154 / 5000
1996 Pentachlorophenol MR 1 SDWIS / 090600154 / 2326
1996 2,4,5-TP MR 1 SDWIS / 090600154 / 2110
1996 2,4-D MR 1 SDWIS / 090600154 / 2105
1996 Asbestos MR 1 SDWIS / 090600154 / 1094

How Table Mountain Rancheria Compares

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

Metric Table Mountain Rancheria 09 avg Federal benchmark
Total violations 144 149.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 10.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 73.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 10,675 1,720 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 323 regulated public water systems in 09.

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 Table Mountain Rancheria water safe to drink? ▼
Table Mountain Rancheria (PWS ID: 090600154) has 144 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 10,675 people using Surface Water sources.
How many people does Table Mountain Rancheria serve? ▼
Table Mountain Rancheria serves 10,675 people in Friant, 09. It is a Native American-owned system using Surface Water water sources with 25 service connections.
What type of violations does Table Mountain Rancheria have? ▼
Table Mountain Rancheria has 144 total violations: 9 health-based violations (MCL exceedances or treatment failures), 28 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Table Mountain Rancheria water? ▼
No. Table Mountain Rancheria was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Table Mountain Rancheria use? ▼
Table Mountain Rancheria uses Surface Water 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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