PlainWater
States → EPA Region 9 — Tribal Water Systems

Non-Transient Non-Community Water System · PWS 090605113

Round Valley Health Clinic

Covelo, EPA Region 9 — Tribal Water Systems 95428 - drinking water served from groundwater sources to 119 people, tracked in EPA SDWIS and UCMR5.

119
People served
264
EPA violations
19
Health-based
Untested
UCMR5 result

The verdict

EPA records 264 drinking-water violations at Round Valley Health Clinic, 7% of them health-based.

264
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
119
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Round Valley Health Clinic

Round Valley Health Clinic is a native american-owned non-transient non-community water system that delivers drinking water to 119 residents in Covelo, EPA Region 9 — Tribal Water Systems through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 264 total violations for this system , of which 19 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 164 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Public Notice, recorded in 23 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 9 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
119
Total Violations
264
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
4
School/Daycare
No
MCL Violations
9
Monitoring Violations
164
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 23 2025
Coliform (TCR) MR 22 2014
Revised Total Coliform Rule MON 16 2025
Chlorine MR 11 2025
Nitrate MR 10 2023
Coliform (TCR) MCL 9 2007
Groundwater Rule TT 8 2025
Lead and Copper Rule MR 6 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2017
ETHYLENE DIBROMIDE MR 4 2017
BHC-GAMMA MR 3 2017
Endothall MR 3 2017
Di(2-ethylhexyl) adipate MR 3 2017
Di(2-ethylhexyl) phthalate MR 3 2017
LASSO MR 3 2017
Benzo(a)pyrene MR 3 2017
Carbofuran MR 3 2017
LEAD AND COPPER RULE REVISIONS RPT 3 2024
Toxaphene MR 2 2017
Glyphosate MR 2 2017
Simazine MR 2 2017
Hexachlorocyclopentadiene MR 2 2017
Heptachlor MR 2 2017
Heptachlor epoxide MR 2 2017
2,3,7,8-TCDD MR 2 2017
2,4-D MR 2 2017
2,4,5-TP MR 2 2017
Pentachlorophenol MR 2 2017
Total Polychlorinated Biphenyls (PCB) MR 2 2017
Chlordane MR 2 2017

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 Round Valley Health Clinic.

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 090605113 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — Tribal Water Systems'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
2025 Public Notice Other 23 SDWIS / 090605113 / 7500
2025 Revised Total Coliform Rule MON 16 SDWIS / 090605113 / 8000
2025 Chlorine MR 11 SDWIS / 090605113 / 0999
2025 Groundwater Rule TT 8 SDWIS / 090605113 / 0700
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / 090605113 / 5200
2024 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 1 SDWIS / 090605113 / 0400
2023 Nitrate MR 10 SDWIS / 090605113 / 1040
2020 Lead and Copper Rule MR 6 SDWIS / 090605113 / 5000
2020 E. COLI MR 2 SDWIS / 090605113 / 3014
2019 Groundwater Rule Other 1 SDWIS / 090605113 / 0700
2018 Total Haloacetic Acids (HAA5) MR 2 SDWIS / 090605113 / 2456
2018 TTHM MR 2 SDWIS / 090605113 / 2950
2017 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / 090605113 / 2931
2017 ETHYLENE DIBROMIDE MR 4 SDWIS / 090605113 / 2946
2017 BHC-GAMMA MR 3 SDWIS / 090605113 / 2010

How Round Valley Health Clinic Compares

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

Metric Round Valley Health Clinic EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 264 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 19 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 119 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 9 — Tribal Water Systems.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Round Valley Health Clinic water safe to drink? ▼
Round Valley Health Clinic (PWS ID: 090605113) has 264 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 119 people using Groundwater sources.
How many people does Round Valley Health Clinic serve? ▼
Round Valley Health Clinic serves 119 people in Covelo, EPA Region 9 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 4 service connections.
What type of violations does Round Valley Health Clinic have? ▼
Round Valley Health Clinic has 264 total violations: 19 health-based violations (MCL exceedances or treatment failures), 164 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Round Valley Health Clinic water? ▼
No PFAS testing data is available for Round Valley Health Clinic under the EPA's UCMR5 monitoring program.
What water source does Round Valley Health Clinic use? ▼
Round Valley Health Clinic uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.