Public water system record

Agrinorthwest Riverbend

On record as serving Benton County, WA · Serves 59 people

Federal records show 7 health-based violations and 4 monitoring/reporting issues for Agrinorthwest Riverbend in the last ten years. The most serious issue in this window was a Nitrate violation that EPA lists as archived, not resolved.

  • WA5306559
  • PASCO
  • WA
  • 59 served

System profile

Source water Groundwater
ZIP 99302
EPA system ID WA5306559

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
6
Unresolved
0
Archived by EPA
1
Any acute record
Yes
Monitoring issues, last 10 years
4

Key facts

  • Agrinorthwest Riverbend draws water from 1 well.
  • Highest measured level in the last 10 years: Nitrate, 21.8 mg/L, federal limit 10 mg/L (2.2 times the limit), 2021.
  • Most recent formal enforcement: signed compliance agreement by Washington, October 2007.
  • Record on file since 1998, with 17 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 16 unknown out of 19 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Nitrate
Contaminant limit exceeded
330 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Nitrate
Contaminant limit exceeded
330 Jan 1, 2024 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 21.8 mg/L, federal limit 10 mg/L (2.2 times the limit)
330 Jan 1, 2021 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 16.6 mg/L, federal limit 10 mg/L (1.7 times the limit)
330 Jul 1, 2019 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 11.5 mg/L, federal limit 10 mg/L (1.2 times the limit)
330 Jan 1, 2019 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 17.6 mg/L, federal limit 10 mg/L (1.8 times the limit)
330 Jan 1, 2018 Resolved Yes
Nitrate
Contaminant limit exceeded
Measured 19.8 mg/L, federal limit 10 mg/L (2 times the limit)
330 Jan 1, 2018 Resolved Yes

Monitoring and reporting issues

Since October 2016

Missed 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
Monitoring and reporting
Jan 1, 2023 Active
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2022 Resolved

Full record since 1998

EPA's records for Agrinorthwest Riverbend go back to 1998. Before October 19, 2016 they list 17 health-based violations (14 resolved, 3 archived by EPA without a recorded fix) and 47 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2000s 13 44
2010 to October 18, 2016 3 1
October 19, 2016 to 2019 4 0
2020s 3 4

Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2015, Resolved.

Show all 17 health-based violations before October 19, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 10.2 mg/L, federal limit 10 mg/L (at or just above the limit)
Jan 1, 2015 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11.2 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2012 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 16.5 mg/L, federal limit 10 mg/L (1.7 times the limit)
Jan 1, 2010 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 19.7 mg/L, federal limit 10 mg/L (2 times the limit)
Jul 1, 2007 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 17.2 mg/L, federal limit 10 mg/L (1.7 times the limit)
Apr 1, 2007 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 15.5 mg/L, federal limit 10 mg/L (1.6 times the limit)
Oct 1, 2006 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 13.8 mg/L, federal limit 10 mg/L (1.4 times the limit)
Jul 1, 2006 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 13.4 mg/L, federal limit 10 mg/L (1.3 times the limit)
Apr 1, 2006 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 12.5 mg/L, federal limit 10 mg/L (1.3 times the limit)
Apr 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Apr 1, 2006 Archived
Total Coliform
Contaminant limit exceeded
Mar 1, 2006 Archived
Nitrate (acute)
Contaminant limit exceeded
Measured 11.2 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2006 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2006 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.5 mg/L, federal limit 10 mg/L (1.1 times the limit)
Oct 1, 2005 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
Oct 1, 2005 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11.1 mg/L, federal limit 10 mg/L (1.1 times the limit)
Apr 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 1999 Archived

Enforcement actions

Washington regulators took 3 formal enforcement actions against Agrinorthwest Riverbend between 2006 and 2007. The most recent was a signed compliance agreement in October 2007.

Date By Action Violations covered
Oct 19, 2007 Washington Signed compliance agreement 11 violations (11 health-based): Nitrate
Oct 25, 2006 Washington Signed compliance agreement 9 violations (9 health-based): Nitrate
Jan 5, 2006 Washington Signed compliance agreement 3 violations (3 health-based): Nitrate

What the violations mean

Nitrate

7 incidents

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

Where the water comes from

Agrinorthwest Riverbend draws water from 1 well.

Annual water quality report

Agrinorthwest Riverbend 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Agrinorthwest Riverbend for a copy.

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 Washington.