SILVER KNOLLS MUTUAL WATER COMPANY
PWSID: NV0004021 · Reno, NV · Serves 120 people
According to EPA Safe Drinking Water Information System (SDWIS), SILVER KNOLLS MUTUAL WATER COMPANY (PWSID NV0004021) in Reno, NV is listed as a CWS water system covering about 120 people. The same extract lists 57 health-based violation records spanning 2015-2025. Those 57 health-based rows for SILVER KNOLLS MUTUAL WATER COMPANY cover contaminants such as Arsenic, Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
SILVER KNOLLS MUTUAL WATER COMPANY has 57 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Arsenic, Groundwater Rule. Recorded violations span 2015–2025. Day-to-day primacy enforcement for this system runs through the Nevada drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Nevada state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- NV0004021
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Reno, NV
- Population Served
- 120
- Health Violations
- Yes (57)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Arsenic | 56 | 56 |
| Groundwater Rule | 1 | 1 |
Violation History (57)
| Contaminant | Health | Date |
|---|---|---|
| Arsenic | Yes | Oct 1, 2025 |
| Arsenic | Yes | Jul 1, 2025 |
| Arsenic | Yes | Apr 1, 2025 |
| Arsenic | Yes | Jan 1, 2025 |
| Arsenic | Yes | Jan 1, 2025 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Oct 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Apr 1, 2023 |
| Arsenic | Yes | Apr 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Jan 1, 2023 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Jan 1, 2022 |
| Arsenic | Yes | Oct 1, 2021 |
| Arsenic | Yes | Jul 1, 2021 |
| Arsenic | Yes | Apr 1, 2021 |
| Arsenic | Yes | Jan 1, 2021 |
| Arsenic | Yes | Oct 1, 2020 |
| Arsenic | Yes | Jul 1, 2020 |
| Arsenic | Yes | Apr 1, 2020 |
| Arsenic | Yes | Jan 1, 2020 |
| Arsenic | Yes | Oct 1, 2019 |
| Arsenic | Yes | Jul 1, 2019 |
| Arsenic | Yes | Apr 1, 2019 |
| Arsenic | Yes | Jan 1, 2019 |
| Arsenic | Yes | Oct 1, 2018 |
| Arsenic | Yes | Jul 1, 2018 |
| Arsenic | Yes | Apr 1, 2018 |
| Groundwater Rule | Yes | Mar 1, 2018 |
| Arsenic | Yes | Jan 1, 2018 |
| Arsenic | Yes | Oct 1, 2017 |
| Arsenic | Yes | Jul 1, 2017 |
| Arsenic | Yes | Apr 1, 2017 |
| Arsenic | Yes | Jan 1, 2017 |
| Arsenic | Yes | Jan 1, 2016 |
| Arsenic | Yes | Oct 1, 2015 |
| Arsenic | Yes | Jul 1, 2015 |
| Arsenic | Yes | Apr 1, 2015 |
| Arsenic | Yes | Jan 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for SILVER KNOLLS MUTUAL WATER COMPANY?
How many people does SILVER KNOLLS MUTUAL WATER COMPANY serve?
What violations does SILVER KNOLLS MUTUAL WATER COMPANY have?
What contaminants have been found in SILVER KNOLLS MUTUAL WATER COMPANY water?
Compare beyond Nevada
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SILVER KNOLLS MUTUAL WATER COMPANY on cumulative violation count (57) and EPA-reported population served (120). Violation-count peers include HERITAGE RANCH CSD, BELOIT, CITY OF, MITCHELL CO RWD 3.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
SILVER KNOLLS MUTUAL WATER COMPANY (NV0004021) is drawn from EPA SDWIS. Nearby county systems in this extract include SUN VALLEY GID; GREAT BASIN WATER CO COLD SPRINGS; INCLINE VILLAGE GID; GREAT BASIN WATER CO SPANISH SPRINGS. Health-based rows (57 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.