Public water system record
Granite PWS
Serves an area of Greer County, OK that includes Granite · 1,425 people served
Federal records show 1 health-based violation and 13 monitoring/reporting issues for Granite PWS in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 13
Key facts
- Granite PWS buys its water from Quartz Mountain Reg Water Auth.
- Most recent formal enforcement: compliance order with a penalty by Oklahoma, April 2001.
- Record on file since 1983, with 54 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 451 service lines.
Check whether Granite PWS serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1983
EPA's records for Granite PWS go back to 1983. Before October 19, 2016 they list 54 health-based violations (35 resolved, 19 archived by EPA without a recorded fix) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 4 | 0 |
| 1990s | 39 | 1 |
| 2000s | 11 | 2 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 12 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2002, Resolved.
Show all 54 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 18.2 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
Jan 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 11.55 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jan 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 18.82 mg/L, federal limit 10 mg/L (1.9 times the limit)
|
Jul 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10.94 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Jul 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 17 mg/L, federal limit 10 mg/L (1.7 times the limit)
|
Jan 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jan 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Oct 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 18 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
Oct 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 18.05 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
Jul 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 10.8 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Jan 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 16.4 mg/L, federal limit 10 mg/L (1.6 times the limit)
|
Jan 1, 2000 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 17.56 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
Oct 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 11.6 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jul 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 17.8 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
Jul 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1999 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1999 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1998 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1998 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1998 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1998 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1998 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1997 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1996 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 30, 1996 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 30, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1996 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1996 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1995 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1995 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1995 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1995 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1994 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1994 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1994 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1994 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 1994 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Dec 16, 1993 | Resolved |
4 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Oklahoma regulators took 5 formal enforcement actions against Granite PWS and issued 1 boil water order between 1994 and 2001. The most recent was a compliance order with a penalty in April 2001.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 30, 2001 | Oklahoma | Compliance order with a penalty | 2 violations (2 health-based): Nitrate |
| Apr 17, 2000 | Oklahoma | Compliance order with a penalty | 25 violations (25 health-based): Nitrate |
| Sep 26, 1996 | Oklahoma | Compliance order (no penalty) | 30 violations (30 health-based): Nitrate |
| Sep 5, 1996 | Oklahoma | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
| Jul 19, 1994 | Oklahoma | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
| Apr 14, 1994 | Oklahoma | Boil water order | 2 violations (2 health-based): Nitrate |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Granite PWS buys its water from Quartz Mountain Reg Water Auth. EPA also lists 2 wells, all for emergency, seasonal or other part-time use. 1 other community water system buys water from Granite PWS.
Buys water from
- Quartz Mountain Reg Water Auth Lone Wolf, OK
Community systems that buy water from it
- Quartz Mountain Reg Water Auth Lone Wolf, OK
Annual water quality report
Granite PWS must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Oklahoma.
Certified drinking water labs by state EPA guidance for private wells