Passage Data · Cited limits by place

Un-ionized ammonia limits and guidelines in Prince Edward Island (CA-PE)

6 numeric limits and guidelines for un-ionized ammonia held for Prince Edward Island and the place above it, from 3 instruments, each cited to its instrument, edition, section or page and quoted text. The register was built from 247 instruments. Everything held for Prince Edward Island

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Prince Edward Island (CA-PE): 1 row

ParameterValueUnitStatisticGovernsApplies whenCite
Un-ionized ammonia1.25 mg/L, expressed as nitrogen (N) at 15°C ± 1°Cmg/Leffluent · limitroute: direct
receiving water: freshwater, marine
a wastewater treatment facility discharging to a watercourse; the standards apply at the end of the discharge pipe (s. 21)
unless the licence to operate sets other standards: an alternative facility, or one treating wastewater less than 50% sewage (s. 23); or a temporary bypass permit suspends them (s. 24(4))		Water Supply System and Wastewater Treatment System Regulations (Prince Edward Island, Water Act, E…
s. 22(1) · p. 19
effluent that has a maximum concentration of un-ionized ammonia in the effluent that exceeds 1.25 mg/L, expressed as nitrogen (N) at 15oC ± 1oC

Canada (CA): 5 rows

ParameterValueUnitStatisticGovernsApplies whenCite
Un-ionized ammonia0.50 mg/L expressed as nitrogen (N)mg/Lmonthly averageeffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))		Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 1 — Column 2: maximum authorized monthly mean concentration
6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonia1.00 mg/L expressed as nitrogen (N)mg/Linstantaneouseffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))		Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 1 — Column 4: maximum authorized concentration in a grab sample
6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonia0.50 mg/L expressed as nitrogen (N)mg/Lmonthly averageeffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
any other mine (s. 4(1)(a)(ii))		Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 2 — Column 2: maximum authorized monthly mean concentration
6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonia1.00 mg/L expressed as nitrogen (N)mg/Linstantaneouseffluent · limitcites: MDMER
route: direct
a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))
any other mine (s. 4(1)(a)(ii))		Metal and Diamond Mining Effluent Regulations (SOR/2002-222)
Schedule 4, Table 2 — Column 4: maximum authorized concentration in a grab sample
6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)
Un-ionized ammonialess than 1.25 mg/L, expressed as nitrogen (N), at 15˚C ± 1˚Cmg/Leffluent · limitstream: sanitary
route: direct
zone: not CA-NT, CA-NU, CA.qc_nl_north_of_54
a wastewater system designed to collect, or collecting in a calendar year, an average daily volume of 100 m3 or more of influent (s. 2(1)); not one on an industrial site whose influent is less than 50% blackwater and greywater (s. 2(4))		Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality
s. 6(1)
the maximum concentration of un-ionized ammonia in the effluent is less than 1.25 mg/L, expressed as nitrogen (N), at 15˚C ± 1˚C

What was searched

Every instrument we hold for Prince Edward Island (CA-PE) and the place above it, Canada (CA): 13 instruments, for every parameter name matching “un ionized ammonia”: un ionized ammonia.

  1. Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe — 4 rows here
  2. Water Supply System and Wastewater Treatment System Regulations (Prince Edward Island, Water Act, EC505/21) — s. 22 effluent quality standards · Government of Prince Edward Island, Department of Environment (Water Act) · office consolidation current to January 25, 2025 (Legislative Counsel Office; fetched 2026-10-09) · source sha256 8f989510e4b28862246d5a8f58a18bc7861395c2a1c095633c962ac17c2f9c3d — 1 row here
  3. Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21, last amended 2026-06-04 · source sha256 0a60e10f783f7aca672792303dffcca1525133eb34eb32711543cb3cf4bbb955 — 1 row here
10 instruments searched with no row for it
  1. Atlantic Canada Wastewater Guidelines Manual for Collection, Treatment, and Disposal (2006) — Appendix E, Table E.2 effluent requirements · Environment Canada and the environment departments of Nova Scotia, New Brunswick and Prince Edward Island (Atlantic Canada Wastewater Guidelines Manual, 2006) · 2006 (Environment Canada with the Atlantic provinces; served by Nova Scotia Environment, fetched 2026-10-09) · source sha256 38c877cb9d12385eb9191e26183add52723563f4c80813ccc16f97f731cb6b10 — no row here
  2. Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss. 54(1) and 55(1): Objectives for Ambient PM2.5 and Ozone, Annex paras 1-4 and footnotes 1-2, Canada Gazette Part I, Vol. 147, No. 21, May 25, 2013 · Canada Gazette, Part I, Volume 147, Number 21: GOVERNMENT NOTICES May 25, 2013 · source — no row here
  3. CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24) · Canadian Council of Ministers of the Environment (CCME) · Summary Table · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  4. CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term · Canadian Council of Ministers of the Environment (CCME) · Summary Table (as served 2026-09-24; each guideline carries its own year) · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  5. Fisheries Act (R.S.C. 1985, c. F-14), s. 36(3) — no deposit of a deleterious substance in water frequented by fish; no value printed · Government of Canada (Fisheries Act; Environment and Climate Change Canada administers s. 36) · Justice Laws Website, current to 2026-09-21, last amended 2024-11-27 · source sha256 db95b0a149728b0f0b1e1b1314d87ecdf46a91e1edfec4a7006fc3cbe0080bd6 — no row here
  6. Health Canada, Objective for Canadian drinking water quality — per- and polyfluoroalkyl substances (published 2024-08-09) · Health Canada · Objective value · source sha256 32a42a0d382cdd90729dd9750f47889782bd00d4af8dfd34f2b9aaf6f2678c6c — no row here
  7. Meat and Poultry Products Plant Liquid Effluent Regulations (C.R.C., c. 818) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 c60e2a2dfa9a10c2ddd314b391bf66215ad599732f38b4c5a15fe793d8c28841 — no row here
  8. Potato Processing Plant Liquid Effluent Regulations (C.R.C., c. 829) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 691ca3953a6dd6ae66b4c72737944caa68ed76710447df642a16716dd25027a3 — no row here
  9. Pulp and Paper Effluent Regulations (SOR/92-269) — s. 14 maximum BOD and suspended solids · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 cc8432e6a4dd1834ff4dd43d5b5fb98f09b1f7af7952e36154febcc649504eb4 — no row here
  10. Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 30e528bdc3a3546afb3defff4dae9b1dacb362e192680e127bd788d7f97c8ce8 — no row here

Read from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.