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Riviera Mobile Park Cooperative

Mobile Home Site Operators, Grants Pass, Oregon. NPDES permit OR0030546, in force until Dec 31, 2026. Last 12 months: no values over a limit, 16 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (1 value), form G monthly (6 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 20 of 27 reports late

Limits in force (35)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 7.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 11 lb/dJan, Feb, Mar, Apr, Nov, Dec
pHdaily minimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec
pHdaily maximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
pHmonthly minimumreport only (SU)all year
pHmonthly maximumreport only (SU)all year
Alkalinity, total [as CaCO3]monthly maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 7.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 15 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 11 lb/dJan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDMay–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .11 mg/LJan, Feb, Mar, Apr, Nov, Dec
Chlorine, total residualdaily maximum≤ .29 mg/LJan, Feb, Mar, Apr, Nov, Dec
E. colimonthly geometric mean≤ 126 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colidaily maximum≤ 406 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colimonthly geometric mean≤ 126 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colidaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, Nov, Dec
Excess thermal loadmaximum 7-day average≤ .18 mkcal/dayApr
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec
Solids, suspended percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec
Chlorine usagedaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec

How strict are these limits?

Cited limits by parameter: Oregon's rules and the federal ones.

Same industry: the 4 Real Estate permits in Oregon.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0030546 · MCP: https://passage-data.com/mcp