PlainWater
States09

Round Valley Admin. Complex

PWS ID: 090605128 · Covelo, 09 95428

Round Valley Admin. Complex serves 100 people in Covelo, 09 using Groundwater water sources. It has 284 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: Round Valley Admin. Complex

Round Valley Admin. Complex is a native american-owned non-transient non-community water system that delivers drinking water to 100 residents in Covelo, 09 through 6 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 284 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 192 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 13 violations (RPT). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. Round Valley Admin. Complex's 284 violations sit above 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
100
Total Violations
284
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
6
School/Daycare
No
MCL Violations
4
Monitoring Violations
192
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 13 2023
Lead and Copper Rule MR 10 2013
Nitrate MR 9 2023
Coliform (TCR) MR 6 2015
Antimony, Total MR 4 2020
Beryllium, Total MR 4 2020
Thallium, Total MR 4 2020
Di(2-ethylhexyl) adipate MR 4 2008
Coliform (TCR) MCL 4 2015
Chlorine MR 4 2022
Arsenic MR 3 2020
Barium MR 3 2020
Cadmium MR 3 2020
Chromium MR 3 2020
CYANIDE MR 3 2008
Fluoride MR 3 2020
Mercury MR 3 2020
Selenium MR 3 2020
Diquat MR 3 2008
Endothall MR 3 2008
Glyphosate MR 3 2008
OXAMYL MR 3 2008
Simazine MR 3 2008
Di(2-ethylhexyl) phthalate MR 3 2008
Hexachlorocyclopentadiene MR 3 2008
Carbofuran MR 3 2008
Atrazine MR 3 2008
LASSO MR 3 2008
Benzo(a)pyrene MR 3 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2008

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 Admin. Complex.

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 090605128 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
2023 Revised Total Coliform Rule RPT 13 SDWIS / 090605128 / 8000
2023 Nitrate MR 9 SDWIS / 090605128 / 1040
2022 Chlorine MR 4 SDWIS / 090605128 / 0999
2022 Revised Total Coliform Rule MON 3 SDWIS / 090605128 / 8000
2022 Public Notice Other 3 SDWIS / 090605128 / 7500
2020 Antimony, Total MR 4 SDWIS / 090605128 / 1074
2020 Beryllium, Total MR 4 SDWIS / 090605128 / 1075
2020 Thallium, Total MR 4 SDWIS / 090605128 / 1085
2020 Arsenic MR 3 SDWIS / 090605128 / 1005
2020 Barium MR 3 SDWIS / 090605128 / 1010
2020 Cadmium MR 3 SDWIS / 090605128 / 1015
2020 Chromium MR 3 SDWIS / 090605128 / 1020
2020 Fluoride MR 3 SDWIS / 090605128 / 1025
2020 Mercury MR 3 SDWIS / 090605128 / 1035
2020 Selenium MR 3 SDWIS / 090605128 / 1045

How Round Valley Admin. Complex Compares

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

Metric Round Valley Admin. Complex 09 avg Federal benchmark
Total violations 284 149.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 100 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 Round Valley Admin. Complex water safe to drink?
Round Valley Admin. Complex (PWS ID: 090605128) has 284 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Round Valley Admin. Complex serve?
Round Valley Admin. Complex serves 100 people in Covelo, 09. It is a Native American-owned system using Groundwater water sources with 6 service connections.
What type of violations does Round Valley Admin. Complex have?
Round Valley Admin. Complex has 284 total violations: 4 health-based violations (MCL exceedances or treatment failures), 192 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Round Valley Admin. Complex water?
No PFAS testing data is available for Round Valley Admin. Complex under the EPA's UCMR5 monitoring program.
What water source does Round Valley Admin. Complex use?
Round Valley Admin. Complex 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.

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